tag:blogger.com,1999:blog-88380440554870759582024-02-19T09:53:41.734+05:30Tell2Ravifor sys admin problemsRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.comBlogger34125tag:blogger.com,1999:blog-8838044055487075958.post-43614919161818961852013-06-15T16:35:00.001+05:302013-06-15T16:38:07.330+05:30XenApp Interview Questions<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 1<br />
Scenario: A company's XenApp farm is spread across four geographically
separated datacenters. Each datacenter is its own zone in the farm.
Datacenter A contains 50 servers. Datacenter B contains 100 servers. Datacenter
C contains 20 servers, and Datacenter D contains 10 servers, one of which
is the license server.<br />
Which datacenter would be the appropriate location for the farm's data store?<br />
A. Datacenter A<br />
B. Datacenter B<br />
C. Datacenter C<br />
D. Datacenter D</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: 12.0pt;">
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<br />
QUESTION NO: 2<br />
<span class="GramE">Which</span> port is used by the Citrix License
Administration Console?<br />
A. 2598<br />
B. 7279<br />
C. 8082<br />
D. 27000<br />
<br style="mso-special-character: line-break;" />
<![if !supportLineBreakNewLine]><br style="mso-special-character: line-break;" />
<![endif]></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
C</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 3</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A user
successfully launched a published application delivered from a XenApp server running
within the user's LAN. Session Reliability has been disabled. Which port
is used for communication between the Citrix online plug-in and the XenApp
server?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. 80</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. 1494</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. 2598</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. 3389</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 4</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A user
successfully launched a published application through an Access Gateway.
The application is delivered from a XenApp server running in the
datacenter and Session Reliability has been enabled. Which port is
used for communication between the Access Gateway and the XenApp server?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. 80</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. 443</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. 1494</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. 2598</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 5</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Statement best
describes the purpose of the data collector?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. It verifies a
user's permissions for the requested application.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. It is used by
the Delivery Services Console to run the farm discovery.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. It authenticates
the user and populates the Web Interface with their icons.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. It maintains and
communicates farm information to data collectors in other zones</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D<o:p></o:p></span></div>
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<br /></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 6</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A XenApp
farm is located in a datacenter in New York. A request has been made to
add a XenApp server in London. The WAN network connection is stable enough
to allow the new server to exist in the New York farm. What should be
done by the administrator to ensure that the least amount of Citrix IMA traffic traverses
the WAN?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. The
administrator needs to create a new zone and add the new server to that zone,
making it the zone data collector.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. The
administrator does not need to create a new zone because Citrix IMA traffic
will only</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">originate from the data collector.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. The
administrator does not need to create a new zone if "Not Preferred"
is specified as the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">election preference for the new server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. The
administrator does not need to create a zone for the new server, but rather
create a new farm and link Citrix IMA traffic in the Delivery Center.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 7</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> three options can an administrator use to
add members to the Remote Desktop Users group during a XenApp
installation? (Choose three.)</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Power Users</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Domain Users</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Administrators</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Anonymous Users</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">E. Authenticated
Users</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">F. List of users
from the Users Group</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D<span class="GramE">,E,F</span></span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 8</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> method can be used when changing the farm
membership of a server?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Run the QFARM
command.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Run the CHFARM
command.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Use XenApp
Server Role Manager.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Use the Delivery
Services Console.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: 12.0pt;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 9</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> statement correctly describes behavior of
the XenApp Server Role Manager?</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Remote Desktop
Services will be automatically installed. Within the XenApp Server role
the online plug-in is automatically installed.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Remote Desktop
Services will need to be installed separately. Within the XenApp Server
role the online plug-in is automatically installed.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Remote Desktop
Services will be automatically installed. Within the XenApp Server role both
the online and offline plug-in are automatically installed.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Remote Desktop
Services will need to be installed separately. Within the XenApp Server
role both the online and offline plug-in are automatically installed.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"><br style="mso-special-character: line-break;" />
<![if !supportLineBreakNewLine]><br style="mso-special-character: line-break;" />
<![endif]></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 10</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: The main
application used in an organization is the CRM application, which is published</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">in a separate application folder called CRM. An administrator
must configure delegated administration rights for the help desk. The help
desk's administrative rights will need to be limited to<span class="GramE">:</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">- View all areas of
the Delivery Services Console.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">- Perform session
tasks related to their job, such as resetting sessions across the farm.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which approach
would give the required result for the help desk group?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Configure View
Only permissions for the Delivery Services Console and configure Full</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">administration
permissions for the sessions node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Configure View
Only permissions for the Delivery Services Console and configure Full</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">administration
permissions for the CRM application folder.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Configure View
Only permissions for the following nodes: Administrators, Farm
Management, Printers and Printer Drivers, Applications and Server
Information. Configure Full administration permissions for
"Sessions" under the <span class="GramE">servers</span> node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Configure View
Only permissions for the following nodes: Administrators, Farm
Management, Printers and Printer Drivers, Applications and Server
Information. Configure Full administration permissions for
"Sessions" under the CRM folder in the application node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<br /></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 11</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> lightweight plug-in is installed with
minimal user interaction?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. MAC plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Online plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Online plug-in -
Web</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Secure Access
plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 12</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Users
access their XenApp applications through a Web Interface. Each XenApp
server has all the required applications installed. The administrator
discovers that users are being connected to several different XenApp
servers while using their applications, causing profile corruption. How
should the administrator resolve this issue?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Utilize the
session sharing feature by standardizing all published application settings.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Utilize the
Session Reliability feature by upgrading all online plug-ins to the latest
version.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Utilize the
session sharing feature by standardizing only the screen resolution on all
published applications.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Utilize the
Session Reliability feature by opening port 2598 between the XenApp servers and
the Web Interface server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 13</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> two methods can an administrator use to
deliver the plug-in to multiple users at the same time? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Microsoft
transform file</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Command line
interface</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Merchandising
Server rules</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Active Directory
Group Policy</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 14</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">An</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> administrator has configured an HDX Media
Stream for Flash (client-side) policy and set the Flash latency threshold
to 75 milliseconds. What will the result be if the latency between the
server and client device is greater than 75 milliseconds?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Flash content
quality is improved.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Flash content
quality is degraded.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Flash content is
rendered on the client.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Flash content is
rendered on the server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 15</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Users
want the best performance when displaying images in their sessions. The</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">administrator
decides to configure HDX 3D Image Acceleration to remove redundant data from
the images and improve the image transfer speed. The administrator wants
to set this feature to remove the maximum amount of redundant data so it
uses the minimum bandwidth
requirements. Which glossy compression level setting must the
administrator select to meet these requirements?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. None</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Low</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Medium</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. High</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 16</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator has published <span class="SpellE">RealOne</span> Player in the
farm so users can view</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">multimedia files
from within their sessions and play them on their client devices. HDX</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Media Stream
Multimedia Acceleration is enabled in the farm. Users are complaining that
the multimedia files are NOT playing correctly.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What must the
administrator do to ensure that multimedia files play in user sessions?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Disable audio on
the server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Enable HDX Media
Stream for Flash.</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Increase the
buffer size on the server.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Install video
and audio <span class="SpellE">codecs</span> on the client device</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 17</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Where</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> is Smooth Roaming configured?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. In the plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. <span class="GramE">In a Citrix policy<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;"><br />
</span>C.</span> <span class="GramE">In the farm properties<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;"><br />
</span>D.</span> In the Web Interface site properties</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 18</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> option is used to establish farm-wide
shadowing settings to force a shadow acceptance prompt and force logging
on all shadow connections?</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Citrix policy</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Shadow Taskbar</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. XenApp Server
Role Manager</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Web Interface
Management Console</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 19</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Where</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> is CPU Utilization Management configured?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Farm properties</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. <span class="SpellE">CitrixUsers</span> policy</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. <span class="SpellE">CitrixComputers</span> policy</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Worker Group
properties</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 20</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">An</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> administrator wants to know the server
load for a server named CTXXA01. Which two commands can an administrator
use from any Citrix server in the farm to get the proper</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">results? (Choose
two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. <span class="SpellE">qfarm</span> /load</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. query farm
CTXXA01 /load</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. query user
/server<span class="GramE">:CTXXA01</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. query session
/server:CTXXA01</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: 12.0pt;">
<br /></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A<span class="GramE">,B</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 21</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: The
Citrix IMA Service test in Health Monitoring and Recovery is configured to run
on a server. An administrator needs to ensure that if the test fails,
existing ICA connections are maintained and attempts to reconnect
disconnected sessions are made, but new ICA sessions cannot be started on
the server. </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which recovery
action must the administrator select for the test?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Alert Only</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Restart IMA</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Reboot Server</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Remove Server
from load balancing</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 22</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator for an organization needs to limit the sessions to one connection
for vendors and authenticated users. However, HR department members must
run two sessions at once. The administrator creates three policies to
control the number of user sessions.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">- Policy A Limits
ALL</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> users to one
session</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">- Policy B Limits
Vendors to one session</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">- Policy C Limits
HR to two sessions</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">In order to
ascertain the policy behavior the administrator must determine the level of
priority to allow the HR department access to multiple sessions. Which
priority is needed to apply these policies and to ensure that HR is able
to run two sessions simultaneously?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Set the priority
of Policy B to the highest level, Policy C to the next level and Policy A to
the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">lowest level.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Set the priority
of Policy B to the highest level, Policy A to the next level and Policy C to
the lowest level.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Set the priority
of Policy A to the highest level, Policy B to the next level and Policy C to
the lowest level.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Set the priority
of Policy C to the highest level, Policy B to the next level and Policy A to
the lowest level.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: 12.0pt;">
<br /></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 23</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator needs to configure the XenApp farm in a highly secure
environment. All administrative actions must be logged, even if the
configuration logging database is <span class="SpellE">unavailable.Which</span>
two options must the administrator configure to make this as secure as
possible? (Choose two.)</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Ensure all
administrators know the database password.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Enable IMA
encryption before enabling configuration logging.</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Use a shared
database account for access to the configuration logging database.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Ensure the
'Allow changes to the farm when logging database is disconnected' option is
not selected.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B<span class="GramE">,D</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 24</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> role is assigned to a custom XenApp
Administrator by default?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Add server to
farm</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. View
Administrators</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Log on to
Management Console</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. View all areas
of server farm management</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 25</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator wants to use session sharing for all published applications. All</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">applications are
installed and published on all of the servers in the farm.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What else must the administrator
do to ensure that session sharing is used?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Specify file
type associations.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Enable the
Connection access control policy rule.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Ensure the
offline plug-in is installed on client devices.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Configure all
published applications with the same settings.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 26</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator is setting up a new XenApp environment for a warehouse. Thin
clients will be used with a Linux-based operating system and XenApp will
be delivered across a low speed wide area network. Users will need to be
given an experience similar to what is available from a Windows desktop
operating system.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which type of published application will
allow for this?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Server Desktop</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Remote Desktop</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Published
content</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Published
application, Explorer.EXE, installed on a server</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 27</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Users
frequently open documents on their local PCs. Going <span class="GramE">forward,</span>
an administrator plans to have the users open documents with the published
application on the XenApp servers. Which action must the administrator
take to accomplish this?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Install the
offline plug-in<span class="GramE">.</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Configure the
Web Interface to allow content redirection.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Verify the
Client drive redirection user policy is enabled.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Associate the
required file type to the published application.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 28</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> two statements are correct for an
application delivered to a client device by Citrix</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">application
streaming? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. It requires the
offline plug-in to be installed.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. It can be used
when connected to the network.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. It consumes CPU
and memory resources on the XenApp server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Screen updates
are sent from the server using the ICA protocol.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A<span class="GramE">,D</span></span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 29</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator has been asked to roll out a new version of an existing
application. The new software needs to be deployed alongside the existing
version without making any permanent</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">changes to the
XenApp servers. Clients are a mixture of Windows and Linux thin clients and
all have the XenApp online plug-in installed.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">How should the
administrator roll out the application?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Create a
streaming profile of the new application, and publish the application using the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">'Streamed to
client' profile.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Create a
streaming profile of the new application, then publish the application using
the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">'Accessed from a
server' and 'Streamed to server1 profile.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Upgrade the
existing version of the software on the XenApp servers, and publish the
application</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">using the 'Accessed from a server' and
'Installed application' profile.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Install the new
version of the application onto a different XenApp server, and publish
the application using the 'Accessed from a server' and 'Installed
application' profile.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 30</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> two steps are required to profile an
application? (Choose two.)</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Create a PRFILE
package.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Store the
package on a file share.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Create an
unattended .MSI package.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Store the
package on each XenApp server.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B<span class="GramE">,C</span></span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 31</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: After the
CRM application has been streamed on the XenApp servers, users
complain that they can no longer open contracts for customers stored in
the Adobe Acrobat file format through the CRM application. Adobe Acrobat
has also been streamed to the XenApp servers. How should the administrator
solve this issue?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Create a new
.MSI package for Adobe Acrobat and publish it.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Create a new
.PROFILE package for Adobe Acrobat and publish it.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Create an
inter-isolation link between the CRM application .PROFILE file and the
Adobe Acrobat .PROFILE file with the streaming application profiler.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Select a .PDF
file on all XenApp servers, select 'pen With' and make sure that Adobe
Acrobat has been associated with .PDF files. Select 'Always use the
selected program to open this kind of file'.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 32</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator has been asked to configure server-side streaming to the
XenApp servers. The application package has been published. Which
component is required for server side streaming?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Online plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Offline plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Load throttling</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Client-to-server
redirection</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 33</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator has been monitoring activity on the XenApp servers and
determined that most users in an environment access published resources
Monday through Friday between 7:00 am and 7:00 pm. The administrator would
like to consolidate the number of active sessions outside of this time
period to five servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which component
should the administrator configure to complete this task?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Load balancing
policies</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Preferential
load balancing</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Health
Monitoring and Recovery</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Power and
Capacity Management</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 34</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> is the proper extension for a roaming
profile in the template location for Citrix Profile</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Management?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. .DAT</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B<span class="GramE">.
.</span>LOG</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C<span class="GramE">.
.</span>MAN</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D<span class="GramE">.
.</span>PROFILE</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 35</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A company
has six servers in the farm. The administrator wants to direct all
connections by Research and Development (R&D) employees to Server1. If
Server1 becomes unavailable, user connections should be directed to any
available server in the farm. What must the administrator do to direct
these connections to the appropriate serve <span class="SpellE">rs</span>?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Provide Server 1
with a lower priority than the other servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Provide Server 1
with a higher priority than the other servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Create two
worker groups and configure a load balancing policy.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Add the R&D
employees to two worker groups and configure a load balancing policy.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 36</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: There are
20 servers in a farm. A resource-intensive application is published on five
of the servers. An administrator needs to create a load evaluator that
reports a full load when the number of users connecting to one of the five
servers hosting the application exceeds 60. The administrator must also
ensure that only users in a particular location can access the five
servers hosting the application. Which two load management rules must
the administrator configure for the load evaluator? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. IP Range</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Scheduling</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Load Throttling</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Server User Load</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
A<span class="GramE">,D</span></span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
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<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 37</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A company
has nine servers in the farm. An administrator wants to set the
preference for user connections from Austin to three specific servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What must the
worker group contain to direct Austin user sessions to these servers?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. The servers in
the farm</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. The Austin user
accounts</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. <span class="GramE">The three specific servers<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;"><br />
</span>D.</span> The Austin user accounts and servers</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 38</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A farm
contains 10 servers. An application is published on two of the servers.
An administrator needs to apply a load evaluator that reports a full load
when the number of users connecting to the application exceeds
100. Which load evaluator would the administrator use to meet the
requirements of the scenario?</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Default load
evaluator assigned to the server</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Custom load
evaluator assigned to the server</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Custom load
evaluator assigned to the application</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Advanced load
evaluator assigned to the application</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 39</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Users are
experiencing issues when attempting to connect to <span class="GramE">published</span>
resources through Access Gateway. Which two should the administrator
monitor? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Terminal
Services</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Citrix XTE
Service</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Citrix IMA
Networking</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Secure Ticket
Authority</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
B<span class="GramE">,C</span></span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 40</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">For</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> which scenario would the Advanced load
evaluator be most appropriate for the environment? </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. The number of
users allowed to connect to a server should be limited to 100. Maximum load
for servers must be determined by read and write operations.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. The number of
users allowed to connect to a selected application needs to be limited to
100. Maximum load for servers must be determined by page swaps.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. A resource- and
memory-intensive application is published on the servers in a farm. When
CPU or memory usage reaches 90 percent, a full load should be reported.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. An administrator
needs to schedule availability of selected servers or applications. Only
users connecting from client devices within a certain IP address range can
access published resources</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">on servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div align="right" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; text-align: right;">
<span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer:
C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 41</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A company
has published a memory-intensive application on all servers in the farm. By</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">default, each
server is expected to run 100 sessions. All servers have enough memory to run
the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">application when
other sessions NOT running the memory-intensive application are running on the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">server. Testing has
revealed that the application requires at least 50% free memory to launch on a</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">How can the
administrator ensure that the application will only be started on a server when
it has</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">sufficient
resources available?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Configure the
Memory Usage rule to 50% in a custom load evaluator and assign it to the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Configure the
Memory Usage rule to 50% in a custom load evaluator and assign it to the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">application.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Configure the
Server User Load rule to 50 sessions in a custom load evaluator and assign it
to</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">the servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Configure the
Server User Load rule to 50 sessions in a custom load evaluator and assign it
to</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">the applications.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 42</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Users
from the marketing department need to print on several printers. They are</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">complaining that
the default printer in their published applications is NT the same as the
default</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">printer on their
workstations. An administrator published the application with the option
"Start this</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">application without
waiting for printers to be created" enabled.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which action must
the administrator take to resolve this issue?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Create a user
policy; add Printing\Client printer redirection to the 'Allowed' list; assign
this policy</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">with a filter,
selecting marketing group.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Create a user
policy; add Printing\Default printer to 'Set default printer to the client's
main</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">printer'; assign
this policy with a user filter, selecting marketing group.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Make sure the
client Default printer option is disabled in the settings tab of the connection</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">properties in the
Citrix Remote Desktop Session Host Configuration tool.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Create a user
policy in the Active Directory (Windows Component\Remote Desktop</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Services\Remote
Desktop Session\Printer Redirection); enable the "Redirect only the
default client</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">printer"
setting; assign it to the marketing group.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 43</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">In</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> which two ways can an administrator
prevent printer drivers from being installed? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Use Windows
Print Management.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Enable the Printer
driver mapping and compatibility policy.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Use the Active
Directory group policy to block driver installation.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Configure the
automatic installation of in-box <span class="SpellE">printerdrivers</span>
policy.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A<span class="GramE">,C</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 44</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A Citrix
administrator of a large hospital's IT infrastructure is asked to configure
XenApp</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">printing for nurses
who move between workstations. All terminals are configured to connect to a</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Web Interface
server, and all floors have a dedicated subnet and floor specific machine IDs.
The</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">administrator needs
to make sure users always print to the network print device closest to the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">device they are
connecting from.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">How will the
administrator complete this task?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Configure a
Session Printers policy for each subnet. Filter the policies based on Users.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Configure a
Session Printers policy for each subnet. Filter the policies based on Client IP</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">address.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Configure an
Auto-create <span class="SpellE">clientprinters</span> policy for each group of
machine IDs. Filter the policies</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">based on Client
Name.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Configure an
Auto-create <span class="SpellE">clientprinters</span> policy for each group of
machine IDs. Filter the policies</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">based on Access
Control.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 45</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> statement correctly describes Citrix
universal printing?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Citrix universal
printing is a solution that will allow <span class="SpellE">aXenApp</span> server
to act as a print server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Citrix universal
printing is a solution that allows printing without the need to install a local
printer.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Citrix universal
printing is a solution that will allow printing regardless of the operating system
of</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">the client device.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Citrix universal
printing is a solution that allows users to print whether or not the correct
print</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">drivers are
installed</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 46</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Under</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> which two circumstances would an
administrator create a printer driver mapping policy?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">(Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. A specific
driver is not allowed on the server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. A printer must
be available while disconnected.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. The drivers on
the client and server are named differently.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. The printing
profile must be redirected to the client device.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: C<span class="GramE">,D</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 47</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">An administrator
must configure printing in an environment to make network printers
automatically</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">appear to all users
without any setup. Which policy must the administrator implement to</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">accomplish this?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Default printers</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Session printers</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Universal
printing</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Auto-create
generic universal printer</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 48</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
environment contains a previously configured XenApp Services site that points
to the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">original XenApp
farm. An administrator needs to configure a Web Interface server to connect</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">multiple XenApp
farms so that users can access their applications using the local start menu on</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">their PC with the
Citrix online plug-in.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">How can the
administrator configure the Web Interface server using the Web Interface</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Management Console
for this scenario?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Using <span class="SpellE">theXenApp</span> Web site section, add at least one server in each
farm to the previously</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">configured farm and
change the XML port so it is different.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Using <span class="SpellE">theXenApp</span> Services site section, add at least one server in
each farm to the previously</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">configured farm and
change the XML port so it is different.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Using <span class="SpellE">theXenApp</span> Services site section, add a new farm for each
additional farm and at least</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">one server in that
farm to the manage farms option; enter the correct XML port information.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Using <span class="SpellE">theXenApp</span> Web site management section, add a new farm for
each additional farm and</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">at least one server
in that farm to the manage farms option; enter the correct XML port</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">information.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 49</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator is implementing an Access Gateway solution and needs to configure</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">the internal Web
Interface server for use with an external Access Gateway. The administrator has</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">already created a
new XenApp Web site named "external."</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Click the 'Exhibit'
button to view the secure access option for the external web site.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which option most
thoroughly describes the required steps?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Select the
access method 'Direct', enter the FQDN of the internal <span class="GramE">URL,</span>
specify <span class="SpellE">twoXenApp</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">servers as Secure
Ticket Authority servers and select the 'Use for load balancing' option.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Select the
access method 'Translated', enter the FQDN of the internal URL, specify <span class="SpellE">twoXenApp</span></span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">servers as Secure
Ticket Authority servers and select the 'Use for load balancing' option.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Select the
access method 'Gateway Direct', enter the FQDN of the external URL, specify</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="SpellE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">twoXenApp</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> servers as Secure Ticket Authority servers
and select the 'Use for load balancing'</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">option.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Select the
access method 'Alternate', enter the FQDN of the external URL, specify two Web</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Interface servers
as Secure Ticket Authority servers and select the 'Use for load balancing'
option.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 50</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A <span class="GramE">company</span> has deployed a new Secure Access Gateway device to
secure external connections to</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">their XenApp farm.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which change needs
to be made to the XenApp Services web site in order to provide secure</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">access to XenApp
resources through the Secure Access Gateway device?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Set the
client-side proxy settings to 'Secure (HTTPS)'.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. <span class="GramE">The</span> Secure Access Method needs to be configured to 'Gateway
direct'.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Kerberos
authentication needs to be enabled in the properties of the Authentication
method.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. <span class="GramE">The</span> FQDN of the Secure Access Gateway needs to be specified
in the Secure Access Method</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">properties.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 51</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: The
administrator wants to configure Web Interface so users can access their</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">applications using
a browser. Some users will use pass-through with smart card authentication<span class="GramE">,</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">while others will
use smart card authentication only.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What must the
administrator do to satisfy the requirements of these users?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Enable both
authentication methods for a single Web Interface site.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Create a Web
Interface Services site and apply both authentication methods.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Enable
Pass-through authentication to pass the Windows logon method to a site.</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. <span class="SpellE">EnableExplicit</span> authentication to allow the site to adapt
the authentication method.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 52</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator wants to configure the enumeration speed for two Web Interface</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">servers to ensure
the fastest response time possible for users. The datacenter for the XenApp</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">servers is 500
miles from office "A" and 1200 miles from office "B".</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which location for
the Web Interface servers will optimize the enumeration speed of user</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">applications?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. In the
datacenter on the same subnet <span class="SpellE">asXenApp</span> servers</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. <span class="GramE">One web server in each office to be accessed by local users<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;"><br />
</span>C.</span> In the datacenter on the same subnet with only Web servers to
isolate HTTP traffic</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. One in the
datacenter, one in Office "A" with users directed to the closest web
server</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 53</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator has just configured a Web Interface server. The XenApp farm is</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">configured with the
default settings. The data collector is CTXDC01 and the member server is</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">CTXXA01.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Click on the
'Exhibit' button to review the scenario.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What is the issue
in this scenario?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. In the XML port
field, the value should read "80."</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. In the <span class="SpellE">Resourcestypes</span> field, the value should read
"Offline."</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. In the
Authentication methods field, the value should read "Prompt."</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. In the XML
Service field, the value should read "CTXDC01, CTXXA01."</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 54</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: An
administrator wants to add the ability to stream applications to XenApp servers
in an</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">environment in order
to cut down on the number of applications installed and managed. Users</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">currently access
the installed applications on the XenApp servers using the Citrix online
plug-in</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">configured with the
URL of a XenApp Services site configured for online access.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which two steps are
required to achieve the desired functionality? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Install the
Citrix offline plug-in on <span class="SpellE">theXenApp</span> servers.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Install the
Citrix offline plug-in on the user's client device.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Change the <span class="SpellE">existingXenApp</span> Services site configuration resource type to
'Dual Mode'.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Create a <span class="SpellE">newXen</span> App Services site and choose the 'Offline' resource
type; configure the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">existing XenApp
Services site to use the new site as a backup.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A<span class="GramE">,D</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 55</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: A company
has successfully implemented a XenApp farm together with a dedicated</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Web Interface
server. All clients are configured with the Citrix online plug-in and the site
name for</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">the configured site
within Web Interface is XAPROD. To increase the high availability of the</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">solution, an
administrator configures a second Web Interface server.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What must the
administrator configure to ensure that users can still connect to their
applications</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">even in the event
of a Web Interface server failure?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. <span class="GramE">The</span> Backup option within the server settings of the XAPROD
site in the XenApp Web site node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. The redirection
option within the server settings of the XAPROD site in <span class="SpellE">theXenApp</span>
Web site</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. <span class="GramE">The</span> Backup option within the server settings of the XAPROD
site in the XenApp Services site</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. The redirection
option within the server settings of the XAPROD site in <span class="SpellE">theXenApp</span>
Services site</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">node.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 56</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Several
printers are set up on each user's Windows workstation. Users are complaining</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">on a daily basis
that XenApp published applications take too long at start-up.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which two actions
could an administrator take to reduce start-up time? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Reduce the
number of print drivers loaded at start-up.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Set up only the
default printer on the client to be Auto-created.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Set up
Auto-created printer creation after application launches.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Allow users to
self-provision printers by publishing the ICA Client Printer Configuration
tool.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A<span class="GramE">,B</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 57</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">When using the <span class="SpellE">qfarm</span> /load command, what would be displayed as the server
load value when a</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">server has a full
load?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. 0</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. 1000</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. 9999</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. 10000</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 58</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">An</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> administrator needs to reset the session
of a user who has become disconnected.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which two tools
will allow the administrator to accomplish the reset against a remote server?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">(Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Performance
monitor</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Windows Task
Manager</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Delivery
Services Console</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Remote Desktop
Services Manager</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: C<span class="GramE">,D</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 59</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">The ActiveX control
required by the Web Interface is NOT allowed to run with the current Internet</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Explorer settings.
How should an administrator resolve this issue?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Add the site to
the Local Intranet trusted sites.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Reset the client
Internet Explorer setting to the default to allow ActiveX controls.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Under the
Advanced security tab, select 'Allow active content to run files on my
computer.'</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Add the Web
Interface site to the Trusted Sites within IE using the Default security
settings for</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">the zone.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 60</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Using a
custom load evaluator that utilizes only the Server User Load with the default</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">setting, an
administrator wants to use the <span class="SpellE">qfarm</span> /load command to
see the server load value.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">What is the value
the administrator will see displayed for a server with 17 users with active</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">connections and two
disconnected sessions?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. 17</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. 19</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. 1700</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. 1900</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: A</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 61</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span class="GramE"><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which</span></span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";"> two conditions could prevent the Citrix
Universal Printer from appearing in the list of users'</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">auto-created
printers? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. The driver is
not supported.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. The user is
running a terminal device.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. The user is
running an outdated online plug-in<span class="GramE">.</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. The driver is on
the blacklist in the Printer driver mapping and compatibility policy.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: B<span class="GramE">,C</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 62</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Scenario: Some
users complain that they cannot reconnect to their disconnected sessions. After</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">investigation, the
administrator discovers that no users are able to connect to Server1.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Which two issues
could cause the problem? (Choose two.)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Logons have been
disabled <span class="SpellE">forServerl</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Online <span class="SpellE">plugin</span> is not installed <span class="SpellE">onServerl</span></span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. IMA Service is
not running on the Server1</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Session
reliability has been enabled on Server1</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: C,D</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">QUESTION NO: 63</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
<br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Users are
complaining that their local printers are NOT available in their XenApp
sessions when</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">running from a
Windows client. Which troubleshooting step should the administrator take?</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">A. Install the
Universal Print driver on the client device.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">B. Verify a network
printer is set up on the client device.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">C. Check that
Session printing is enabled in the Citrix policy.</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">D. Verify that the
Auto-create <span class="SpellE">clientprinters</span> policy rule does not
prohibit printer creation.</span><span style="background: white; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><br />
</span><span style="font-family: "Arial","sans-serif"; font-size: 10.5pt; mso-fareast-font-family: "Times New Roman";">Answer: C</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><o:p></o:p></span></div>
<div class="MsoNormal">
<br /></div>
-->
</div>
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Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-20672177918435198802013-06-15T12:59:00.002+05:302013-06-15T16:23:12.532+05:30Citrix Interview Q&A prepared by Ravi...!<div dir="ltr" style="text-align: left;" trbidi="on">
<div dir="ltr" style="text-align: left;" trbidi="on">
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<div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo7; text-indent: -.25in;">
<span style="color: #4f81bd; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-themecolor: accent1;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";"> <span style="color: red;"><b>
</b></span></span></span></span><span style="color: red;"><b><span style="color: #bd584f; mso-themecolor: accent1;">What
will be happen if LHC corrupted?</span></b></span></div>
<div class="MsoListParagraphCxSpMiddle">
<a href="http://support.citrix.com/article/CTX759510">http://support.citrix.com/article/CTX759510</a><span style="color: #4f81bd; mso-themecolor: accent1;"></span></div>
<div class="MsoListParagraphCxSpMiddle">
<br /></div>
<div class="MsoListParagraphCxSpMiddle">
<span style="color: #4f81bd; mso-themecolor: accent1;">- You can not access application from that server.<br />
- IMA will not start<br />
- recreating LHC will fix the issue</span></div>
<div class="MsoListParagraphCxSpMiddle">
<br /></div>
<div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Each
XenApp server stores a subset of the data store in the Local Host Cache (LHC).
The LHC performs two primary functions: </span><span style="color: #4f81bd; mso-themecolor: accent1;"></span></div>
<ul type="disc">
<li class="MsoNormal" style="line-height: normal; mso-list: l2 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Permits a server to function in the absence of a
connection to the data store. </span></li>
<li class="MsoNormal" style="line-height: normal; mso-list: l2 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Improves performance by caching information used by ICA
Clients for enumeration and application resolution. </span></li>
</ul>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">The LHC is
an Access database, <b>Imalhc.mdb</b>, stored, by default, in the
<programfiles>\Citrix\Independent Management Architecture folder. </programfiles></span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">The
following information is contained in the local host cache: </span></div>
<ul type="disc">
<li class="MsoNormal" style="line-height: normal; mso-list: l4 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">All servers in the farm, and their basic information.</span></li>
<li class="MsoNormal" style="line-height: normal; mso-list: l4 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">All applications published within the farm and their
properties. </span></li>
<li class="MsoNormal" style="line-height: normal; mso-list: l4 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">All Windows network domain trust relationships within
the farm. </span></li>
<li class="MsoNormal" style="line-height: normal; mso-list: l4 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">All information specific to itself. (Product code, SNMP
settings, licensing information) </span></li>
</ul>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">On the
first startup of the member server, the LHC is populated with a subset of
information from the data store. In future, the IMA service is responsible for
keeping the LHC synchronized with the data store. The IMA service performs this
task through change notifications and periodic polling of the data store. </span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">If the
data store is unreachable, the LHC contains enough information about the farm
to allow normal operations for an indefinite period of time, if necessary.
However, no new static information can be published, or added to the farm,
until the farm data store is reachable and operational again.</span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Note</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">: Before the release of Presentation Server 3.0, the LHC had
a grace period of only 96 hours; this was due to farm licensing information
being kept on the data store. Once the 96 hour grace period ended, the
licensing subsystem would fail to verify licensing, and the server would stop
accepting incoming connections.</span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Because
the LHC holds a copy of the published applications and Windows domain trust
relationships, ICA Client application enumeration requests can be resolved
locally by the LHC. This provides a faster response to the ICA Client for
application enumerations as the local server does not have to contact other
member servers or the zone data collector. The member server must still contact
the zone data collector for load management resolutions. </span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">In some
instances it might be necessary to either refresh or recreate the Local Host
Cache. The sections below describe these situations. </span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Refreshing
the Local Host Cache </span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">If the IMA
service is currently running, but published applications do not appear
correctly in ICA Client application browsing, force a manual refresh of the
local host cache by executing <b>dsmaint refreshlhc</b> from a command prompt
on the affected server. This action forces the local host cache to read all
changes immediately from the data store. </span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">A
discrepancy in the local host cache occurs only if the IMA service on a server
misses a change event and is not synchronized correctly with the data store. </span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Recreating
the Local Host Cache </span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div>
<ul type="disc">
<li class="MsoNormal" style="line-height: normal; mso-list: l3 level1 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">If the IMA service does not start, the cause may be a
corrupt LHC. </span></li>
<li class="MsoNormal" style="line-height: normal; mso-list: l3 level1 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">If you have made extensive changes to the farm data
store, such as publishing various applications, adding or removing servers
from the farm, or creating new policies.</span></li>
<li class="MsoNormal" style="line-height: normal; mso-list: l3 level1 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">If you must clean the farm data store, using the
DSCHECK utility, you should then rebuild the LHC on each of the servers in
your farm, once the data store has been cleaned.</span></li>
</ul>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Steps
to recreate the Local Host Cache</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">IMPORTANT</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">: The data store server must be available for <b>dsmaint
recreatelhc</b> to work. If the data store is not available, the IMA service
cannot start.</span></div>
<ol start="1" type="1">
<li class="MsoNormal" style="line-height: normal; mso-list: l0 level1 lfo4; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Stop the IMA service on the XenApp server, if it is
started. This can be done using the command: <b>net stop imaservice</b>,
or from services. </span></li>
</ol>
<ol start="2" type="1">
<li class="MsoNormal" style="line-height: normal; mso-list: l0 level1 lfo5; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Run <b>dsmaint recreatelhc</b>, which renames the
existing LHC database, creates a new database, and modifies the following
registry key HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\IMA\Runtime\PSRequired key
to 1.<br />
Setting the value PSRequired to 1 forces the server to establish
communication with the data store in order to populate the Local Host
Cache database. When the IMA service is restarted, the LHC is recreated
with the current data from the data store.</span></li>
</ol>
<ol start="3" type="1">
<li class="MsoNormal" style="line-height: normal; mso-list: l0 level1 lfo6; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Restart the IMA service. This can be done via the
command line<b>, net start imaservice</b>, or from services.</span></li>
</ol>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Note:</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> For XenApp 6 or later the registry key path is HKEY_LOCAL_MACHINE\SOFTWARE\<b>Wow6432Node</b>\Citrix\IMA\
RUNTIME\PSRequired to 1.</span></div>
<div class="MsoNormal" style="line-height: normal; margin-left: .5in; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">There is
also an available built-in utility to check the Local Host Cache called <b>LHCTestACLsUtil.exe
</b>file located in C:\Program Files (x86)\Citrix\System32 of the XenApp
server. To run this utility, you must have local administrator privileges.</span></div>
<div class="MsoListParagraphCxSpFirst" style="line-height: normal; mso-add-space: auto; mso-list: l1 level1 lfo7; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; text-indent: -.25in;">
<span style="color: #e06666;"><b><span style="color: #4f81bd; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span style="color: #bd584f; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;">Citrix
load evaluators</span></b></span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
XenApp calculates the load on a
server using <dfn><span style="font-family: "Calibri","sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-bidi-theme-font: minor-bidi; mso-hansi-theme-font: minor-latin;">load evaluators</span></dfn> and <dfn><span style="font-family: "Calibri","sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-bidi-theme-font: minor-bidi; mso-hansi-theme-font: minor-latin;">rules</span></dfn>. Each load evaluator
contains one or more rules. Each rule defines an operational range for the server
or published application to which its evaluator is assigned.</div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
There are three types: </div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
1.Default loader: it considers how
any number of users log on to the server.(user count 100%).</div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
2. Advanced loader: It considers
depends on cpu and memory utilization up to 100%</div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
3. Custom load evaluators</div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo7; text-indent: -.25in;">
<span style="color: #e06666;"><b><span style="color: #4f81bd; font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span style="color: #bd584f; font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;">What is the name of the product citrix
uses for licensing?</span></b></span></div>
<div class="MsoListParagraphCxSpLast" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<a href="http://support.citrix.com/article/CTX113429"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">http://support.citrix.com/article/CTX113429</span></a><span style="color: #4f81bd; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;"></span></div>
<div style="text-indent: .5in;">
Citrix products use the FLEXlm licensing technology
for licensing.<span style="color: #4f81bd; mso-themecolor: accent1;"><span style="mso-list: Ignore;"> <span style="font: 7.0pt "Times New Roman";"> </span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo7; text-indent: -.25in;">
<b><span style="color: #e06666;"><span style="color: #4f81bd; font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span style="color: #bd584f; font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman"; mso-themecolor: accent1;">Why is ica that much faster than
rdp? What are the technological differences between the two?</span></span></b>
</div>
<div style="margin-left: .5in;">
ICA- Independent Computing Architecture (Citrix
Protocol) 1494<br />
RDP- Remote Desktop Protocol (Microsoft protocol) 3389</div>
<div class="MsoListParagraphCxSpFirst">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">The
Difference between Microsoft RDP and Citrix ICA</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";"><br />
Windows 2000/2003 Terminal Services supports the native Microsoft Remote
Desktop Protocol (RDP) as well as the Citrix Independent Computing Architecture
(ICA) protocol (via the Citrix MetaFrame add-on). The following table provides
an overview of the features available with each of these protocols:</span></div>
<div class="MsoListParagraphCxSpMiddle">
<b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Table: Windows 2000/2003 Terminal Services supported
protocols and features:</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";"></span></div>
<table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="mso-cellspacing: 0in; mso-padding-alt: 0in 0in 0in 0in; mso-table-layout-alt: fixed; mso-yfti-tbllook: 1184;">
<tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Feature</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Description</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">RDP
</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">ICA</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 1;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Clients</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Windows
CE-based thin client</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 2;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Windows
XP Embedded-based thin client</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 3;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">ActiveX®
Control</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 4;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Transport</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">TCP/IP</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 5;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">SPX,
IPX, NetBEUI</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 6;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">WAN
connection</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 7;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Dial-up,
VPN, xDSL</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 8;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Direct
dial-up (non-RAS)</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 9;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Audio</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">System
beeps</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 10;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Stereo
Windows audio</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 11;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Local
printing</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Printing
to a local printer attached to a thin client</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 12;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Local
drive mapping</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Local
drives accessible from server-based applications</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 13;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Local
port redirection</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Redirection
of server ports (LPT/COM) to local client ports</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 14;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Cut
and paste</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Cut
and paste of text and graphics between client and server</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 15;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">User-centric
Session Access</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Client
remembers previous user's logon name for each connection</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 16;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Connect
to an active or disconnected session using a different screen resolution</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 17;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Connect
directly to an application rather than to an entire desktop</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 18;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Server-based
applications resize and minimize similar to local applications</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 19;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Application
publishing</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Advertise
server-based applications directly to client desktops</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 20;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Resolution</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">16-bit
color depth</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 21;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Load
balancing</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Pooling
of servers behind a single server address and for increased availability</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
<div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">1</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 22;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Remote
control</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Viewing
and interacting with other client sessions (also called
"shadowing")</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 23;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Bitmap
caching</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Optionally
cache display bitmaps in memory for improved performance</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 24;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Optionally
cache display bitmaps to disk for improved performance</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 25;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Encryption</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Multiple-level
encryption for security of client communications</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 26;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Multiple-level
encryption on Windows CE thin clients</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast" style="mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 27;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Automatic
client update</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Administrative
means for updating client connection software from the server</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
<div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">2</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 28; mso-yfti-lastrow: yes;">
<td style="padding: 0in 0in 0in 0in; width: 148.15pt;" valign="top" width="198"><div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Pre-configured
client</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 382.3pt;" valign="top" width="510"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">Predefined
client with published applications, IP addresses, server names, and
connection options</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 60.85pt;" valign="top" width="81"><div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
<td style="padding: 0in 0in 0in 0in; width: 58.2pt;" valign="top" width="78"><div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">+</span></div>
</td>
</tr>
</tbody></table>
<div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-fareast-font-family: "Times New Roman";">1
Requires Windows 2000 Advanced Server or Datacenter Server.<br />
2 Not available on Windows CE .NET thin clients.</span></div>
<div class="MsoListParagraphCxSpLast" style="line-height: normal; mso-add-space: auto; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;">
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<w:LsdException Locked="false" Priority="73" SemiHidden="false"
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UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/>
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<w:LsdException Locked="false" Priority="33" SemiHidden="false"
UnhideWhenUsed="false" QFormat="true" Name="Book Title"/>
<w:LsdException Locked="false" Priority="37" Name="Bibliography"/>
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</xml><![endif]--><!--[if gte mso 10]>
<style>
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:"Table Normal";
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-qformat:yes;
mso-style-parent:"";
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin-top:0in;
mso-para-margin-right:0in;
mso-para-margin-bottom:10.0pt;
mso-para-margin-left:0in;
line-height:115%;
mso-pagination:widow-orphan;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:"Times New Roman";
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:"Times New Roman";
mso-bidi-theme-font:minor-bidi;}
</style>
<![endif]--><span style="font-family: "Calibri","sans-serif"; font-size: 11.0pt; line-height: 115%; mso-ansi-language: EN-US; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: Calibri; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="color: #bd584f;"><b>Default
ICA port ?</b></span><br />
A: 1494 <br />
NOTE: Default ICA port is a common question to ask in the interview: Apart from
this, should be ready with all Port details which are related to the citrix
environment.<br />
Port Name Port Number<br />
Default listening port for Citrix XML Service : 80<br />
CMC, SSL : 443<br />
Server to SQL : 1433<br />
ICA : 1494<br />
UDP port used for client broadcast : 1604<br />
IMA : 2512, 2513 <br />
Session Reliability : 2598<br />
Licensing : 27000<br />
Citrix License Administration Console : 8082</span></div>
</div>
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<w:WordDocument>
<w:View>Normal</w:View>
<w:Zoom>0</w:Zoom>
<w:TrackMoves/>
<w:TrackFormatting/>
<w:PunctuationKerning/>
<w:ValidateAgainstSchemas/>
<w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid>
<w:IgnoreMixedContent>false</w:IgnoreMixedContent>
<w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText>
<w:DoNotPromoteQF/>
<w:LidThemeOther>EN-US</w:LidThemeOther>
<w:LidThemeAsian>X-NONE</w:LidThemeAsian>
<w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript>
<w:Compatibility>
<w:BreakWrappedTables/>
<w:SnapToGridInCell/>
<w:WrapTextWithPunct/>
<w:UseAsianBreakRules/>
<w:DontGrowAutofit/>
<w:SplitPgBreakAndParaMark/>
<w:DontVertAlignCellWithSp/>
<w:DontBreakConstrainedForcedTables/>
<w:DontVertAlignInTxbx/>
<w:Word11KerningPairs/>
<w:CachedColBalance/>
</w:Compatibility>
<m:mathPr>
<m:mathFont m:val="Cambria Math"/>
<m:brkBin m:val="before"/>
<m:brkBinSub m:val="--"/>
<m:smallFrac m:val="off"/>
<m:dispDef/>
<m:lMargin m:val="0"/>
<m:rMargin m:val="0"/>
<m:defJc m:val="centerGroup"/>
<m:wrapIndent m:val="1440"/>
<m:intLim m:val="subSup"/>
<m:naryLim m:val="undOvr"/>
</m:mathPr></w:WordDocument>
</xml><![endif]--></span>
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<w:LsdException Locked="false" Priority="29" SemiHidden="false"
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Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com2tag:blogger.com,1999:blog-8838044055487075958.post-52528397786343785702010-12-25T00:27:00.002+05:302010-12-25T00:27:44.347+05:30How To Use VNSTAT To Monitor Bandwidth Usage.There are so many tools to monitor network such as MRTG, now I am going to explain such tool which monitors bandwidth for a system, ie vnstat(view network statistics). Its very much easy to install and configure.<br />
<br />
This tool can give you full details about how much bandwidth used on the basics of,<br />
<br />
Per month.<br />
<br />
Per week.<br />
<br />
Per day.<br />
<br />
Per hour.<br />
<br />
Per second.<br />
<br />
Even we can see live traffic. This is awesome tool .<br />
<br />
So all the tools will not only have advantages but also disadvantages, here are they:<br />
1)Can not monitor multiple interfaces at a time.<br />
2)Can not monitor remote host.<br />
3)Can not monitor per host statistics(which is verymuch useful to find the network hogger, if you want per host bandwidth analyser then use iptables counters for it).<br />
<br />
Before configuring vnstat, one thing we have to keep in mind that vnstat is a aggregating tool which is required to run at regular intervals to monitor network bandwidth. So by default when we install vnstat a cron job is created at /etc/cron.d folder.<br />
<br />
Step1 : installing vnstat<br />
<br />
#rpm –ivh vnstat-1.6-2.fc9.i386.rpm<br />
<br />
Step2 : Configuring vnstat.<br />
As I mention earlier that vnstat is an aggregate tool so it should run background by using crontab, So first edit the cron job<br />
<br />
Vi /etc/cron.d/vnstat<br />
*/5 * * * * vnstat /usr/sbin/vnstat.cron<br />
Add the above line to the file, then save it and exit.<br />
<br />
Step3 : Specifying which interface to monitor<br />
<br />
#vnstat –I interfacename<br />
<br />
Example :<br />
[root@test ~]# vnstat -i eth0<br />
Error :<br />
Unable to read database "/var/lib/vnstat/eth0".<br />
eth0: Not enough data available yet.<br />
<br />
Don’t worry about error intitially it will show error because it’s the first time you are executing that command, so it has to create DB.<br />
<br />
Step4 : Monitoring bandwidth with different intervals<br />
<br />
Type1 : For live traffic<br />
<br />
#vmstat –l<br />
-l is nothing but live<br />
Example:<br />
[root@test ~]# vnstat -l<br />
Monitoring eth0... (press CTRL-C to stop)<br />
rx: 8.32 kB/s 30 p/s tx: 0.19 kB/s 0 p/s<br />
eth0 / traffic statistics<br />
rx tx<br />
--------------------------------------+----------------------------------------<br />
bytes 206 kB 4 kB<br />
--------------------------------------+----------------------------------------<br />
max 11.19 kB/s 0.24 kB/s<br />
average 7.96 kB/s 0.19 kB/s<br />
min 6.35 kB/s 0.11 kB/s<br />
--------------------------------------+----------------------------------------<br />
packets 695 16<br />
--------------------------------------+----------------------------------------<br />
max 61 p/s 2 p/s<br />
average 26 p/s 0 p/s<br />
min 9 p/s 0 p/s<br />
--------------------------------------+----------------------------------------<br />
time 26 seconds<br />
<br />
Type2 :For monitoring traffic per second<br />
<br />
#vmstat –tr 5<br />
This command will monitor bandwidth for 5 seconds and give you the output.<br />
<br />
Type3 : For hourly<br />
<br />
#vmstat –h<br />
<br />
Example :<br />
[root@test ~]# vnstat -h<br />
eth0 21:00<br />
^ r<br />
r<br />
r<br />
r<br />
r<br />
r<br />
r<br />
r<br />
r<br />
r<br />
-+---------------------------------------------------------------------------><br />
22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21<br />
h rx (kB) tx (kB) h rx (kB) tx (kB) h rx (kB) tx (kB)<br />
22 0 0 06 0 0 14 0 0<br />
23 0 0 07 0 0 15 0 0<br />
00 0 0 08 0 0 16 0 0<br />
01 0 0 09 0 0 17 0 0<br />
02 0 0 10 0 0 18 0 0<br />
03 0 0 11 0 0 19 0 0<br />
04 0 0 12 0 0 20 12,614 41<br />
05 0 0 13 0 0 21 0 0<br />
<br />
Type4:For dialy<br />
<br />
#vmstat –d<br />
Example :<br />
[root@test ~]# vnstat -d<br />
eth0 / daily<br />
day rx tx total<br />
------------------------+-------------+----------------------------------------<br />
09.09. 12.32 MB 41 kB 12.36 MB %%%%%%%%%%%%%%%%%%%%%%%%%<br />
------------------------+-------------+----------------------------------------<br />
estimated -- -- --<br />
<br />
Type5 : For weekly<br />
<br />
#vmstat –w<br />
<br />
Example :<br />
[root@test ~]# vnstat -w<br />
eth0 / weekly<br />
rx tx total<br />
----------------------------+---------------+--------------<br />
last 7 days 12.32 MB 41 kB 12.36 MB<br />
current week 12.32 MB 41 kB 12.36 MB<br />
----------------------------+---------------+--------------<br />
estimated -- -- --<br />
<br />
Type6 : For monthly<br />
#vmstat –m<br />
Example :<br />
[root@test ~]# vnstat -m<br />
eth0 / monthly<br />
month rx tx total<br />
-------------------------+--------------+--------------------------------------<br />
Sep '09 12.32 MB 41 kB 12.36 MB %%%%%%%%%%%%%%%%%%%%%%<br />
-------------------------+--------------+--------------------------------------Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-26618109210332707652010-12-25T00:04:00.002+05:302010-12-25T00:04:32.122+05:30How To : FTPS Server Configurationvsftpd which abrivated to Very Secure File Transfer Demon(vsftpd). But when we see the security prospective of this package there is no much security included with this package. I mean when you login to server the credentials are transfered in plain text. So by defalut root user is not allowed to login to ftp server.<br />
<br />
To eliminate transfering data in plain text and to encrypt the entire transmission we can take help from open ssl to generate a certificate and use SSL certificate when communicating with FTP server. This is nothing but a FTPS server.<br />
<br />
Some file transfers you should know are.<br />
1. TFTP(Trivial File Transfer Protocol which uses UDP for transmission) –high data rates/not secure<br />
2. (This protocol uses SSH in backend, so you no need to run an FTP server) –secure<br />
3. FTP(This is normal ftp transfer which uses TCP) –not secure<br />
4. FTPS(FTP+SSL certificate to encrypt data transmission)<br />
5. Over SSH(this is a kind of ftp tunnel on SSH protocol)<br />
<br />
In this post we will see how you can configure SSL certificate for VSFTPD.<br />
<br />
Step1 : Check the following packages on the server and if they are not install please install them.<br />
#yum install openssl<br />
#yum install vsftpd<br />
<br />
Step2 : Generate rsa key in /etc/vsftpd folder as below.<br />
#cd /etc/vsftpd<br />
#/usr/bin/openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout vsftpd.pem -out vsftpd.pem<br />
<br />
The clipped output for your reference<br />
[root@v-itig42 vsftpd]# /usr/bin/openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout vsftpd.pem -out vsftpd.pem<br />
<br />
Generating a 1024 bit RSA private key<br />
<br />
....................................................++++++<br />
<br />
..........................................++++++<br />
<br />
writing new private key to 'vsftpd.pem'<br />
<br />
-----<br />
<br />
You are about to be asked to enter information that will be incorporated.<br />
into your certificate request.<br />
<br />
What you are about to enter is what is called a Distinguished Name or a DN.<br />
<br />
There are quite a few fields but you can leave some blank.<br />
<br />
For some fields there will be a default value,<br />
<br />
If you enter '.', the field will be left blank.<br />
<br />
-----<br />
<br />
Country Name (2 letter code) [GB]:IN<br />
<br />
State or Province Name (full name) [Berkshire]:Andhra Pradesh<br />
Locality Name (eg, city) [Newbury]:Vijaywada<br />
Organization Name (eg, company) [My Company Ltd]:Linuxnix Systems Limited<br />
Organizational Unit Name (eg, section) []: IT admin Group<br />
Common Name (eg, your name or your server's hostname) []:ftp2.linuxnix.co.in<br />
<br />
Email Address []:surendra@linuxnix.co.in<br />
<br />
Step3 : Once the Certificate is generated, certificate is kept in /etc/vsftpd folder. We have to provide this entry in vsftpd.conf along some ssl configurations.<br />
<br />
Step4 : Edit vsftpd.conf and give enteris at the last of the file.<br />
#vi /etc/vsftpd/vsftpd.conf<br />
#For SSL on specify yes to below option.<br />
ssl_enable=YES<br />
# To allow anonysonomous users to use SSL<br />
allow_anon_ssl=YES<br />
# if you want local users to use both ssl as well unsecure way of transmission of data plz specify no to below option.<br />
force_local_data_ssl=NO<br />
#If you want to allow all the login credentials which are transmitted should be sent with encryption #pleas use below option to force them to use only ssl connection at the time of login.<br />
force_local_logins_ssl=YES<br />
# Permit TLS v1 protocol connections. TLS v1 connections are preferred<br />
ssl_tlsv1=YES<br />
# Permit SSL v2 protocol connections. TLS v1 connections are preferred<br />
ssl_sslv2=NO<br />
# permit SSL v3 protocol connections. TLS v1 connections are preferred<br />
ssl_sslv3=NO<br />
#Please pecifies the location of the RSA certificate to use for SSL encrypted connections<br />
, which we #created some time back.<br />
rsa_cert_file=/etc/vsftpd/vsftpd.pem<br />
Now save and exit the vsftpd file<br />
<br />
Step5 : Restart the vsftpd service.<br />
# service vsftpd restart<br />
Shutting down vsftpd: [ OK ]<br />
Starting vsftpd for vsftpd: [ OK ]<br />
<br />
<br />
Start accessing the ftp server with user name credentials with filezila or some other FTP clients which will support SSL/TSL. If you want to access ftps sites through browsers its not possible. We have to have addon called fireftp. Then only we can access ftps:// siteRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-23794337377807999682010-12-24T23:49:00.002+05:302010-12-24T23:49:46.634+05:30Hardening SSH Server In The DMZ(De Militarised Zone)Its good to harden your box which is in DMZ.<br />
What is DMZ?<br />
Ans : DMZ is a De Militarised Zone where we will be keeping our servers, so that they can be access by out side people. Let me explain more about this DMZ. Who are not familiarise(And this activity is most of the time a Network admin work).<br />
1. DMZ is a place where we will be isolate machines from companies local LAN.<br />
2. These DMZ machines will have different IP address range and subnet.<br />
3. The communication between two machines in DMZ is blocked for security reasons.<br />
4. We cannot login to Local LAN machine from a DMZ machine, but we can login to DMZ machine from local LAN(only one way communication from LAN).<br />
5. Ping to these machines will be disabled(most of the companies will do this for security reasons).<br />
6. The way these machines communicate totally depends on network team what type of rule they set on their routers.<br />
7. The security of DMZ machines are more when compared to local LAN machines(in other ways every thing is restricted to DMZ machines).<br />
8. Only required ports are opened on DMZ machines and remaining ports are in closed or reject state(This should be done on system by Linux admin and on network level done by companies network engineer).<br />
<br />
Once you keep your Linux machine in DMZ first and far-most thing to do is to secure SSH logins to the server.<br />
<br />
In this post we will see some security measures for SSH to be taken when system is kept in DMZ. Most of the SSH settings are located in /etc/ssh/sshd_config (Red hat/Debian based systems).<br />
<br />
1. Set Maximum failed login attempts, so after that many login attempts connection to the server is reseted and once again we have to connect to server.<br />
MaxAuthTries 3<br />
Here I have set failed login attempts to 3.<br />
<br />
2. Disable root to login through SSH. This is a good option to force the user not to use root user to login to the server<br />
PermitRootLogin no<br />
Here we set it to no which indicates root can not login.<br />
<br />
3. We should disable logging of users who donot have passwords.<br />
PermitEmptyPasswords no<br />
<br />
4. Allow only users who have passwords.<br />
PasswordAuthentication yes<br />
<br />
5. Specify who should access this server. I can say this one is more secure because SSH will allow only the users who are specified here.<br />
AllowUsers test1 test2<br />
Here I have allowed only two users i.e. test1 and test2.<br />
<br />
6. Set-up a login banner to give warnings to the users how are logging in to that server<br />
Banner /etc/ssh-banner<br />
Please specify the warning message in /etc/ssh-banner.<br />
<br />
Once done the above changes in /etc/ssh/sshd_config file just reload the ssh server.<br />
<br />
Note : Don't restart SSH service on production servers. Its not advisable to do it. so in-order to update your changes always use reload option. Most of the services will support reload option with service command.<br />
#service sshd reloadRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-54307838687819734082010-12-24T23:04:00.003+05:302010-12-24T23:09:44.720+05:30File Types In Linux"How many types of files are there and what are they?" This is a common question to every person who started learing Linux.<br />
<br />
<b>Why is this so much important to know file types?</b><br />
Ans : This is because Linux will consider every thing as files. The Answer to this question is little bit confusing with different answers.<br />
<br />
Let me put it in this way to clarify. By default Unix have only 3 types of files..<br />
They are.<br />
<br />
1. Regular files<br />
2. Directory files<br />
3. Special files(This is the file type who is the culprit for different answers. This catagory is having 5 sub types.)<br />
<br />
So Total file types in Linux are 7. Remeber I am saying in linux there are only 7 types of files but if it comes to unix it is 8 types.<br />
<br />
Here are those files. And you can see the file type indication at leftmost part of “ls -l” command<br />
1. Regular file(-)<br />
2. Directory files(d)<br />
Special files<br />
3. Block file(b)<br />
4. Character device file(c)<br />
5. Named pipe file or just a pipe file(p)<br />
6. Symbolic link file(l)<br />
7. Socket file(s)<br />
<br />
For your information there is one more file called door files(D) which is present in Sun Solaris. A door is a special file for inter-process communication between a client and server(so total 8 types in Unix machines.).<br />
<br />
<b>Regular files</b> : These are the files are indicated with "-" in ls -l output. And these files are.1. Readable files or<br />
2. A binary files or<br />
3. Image files or<br />
4. Compressed files etc.<br />
<br />
<b>How to create them?</b><br />
Ans : Use touch command.<br />
<br />
<b>Example listing of regular files</b> :-rw-r--r-- 1 krishna krishna 20986522 2010-01-31 13:48 test.wmv<br />
<br />
-rw-r--r-- 1 krishna krishna 173448 2010-01-30 21:20 Transformers-Teaser-Wallpaper-310.jpg<br />
<br />
-r-xr-xr-x 1 root root 135168 2009-12-12 19:14 VIDEO_TS.VOB<br />
<br />
-rw-r--r-- 1 krishna krishna 2113536 2009-12-01 13:32 Aditya 365 – Janavule.mp3<br />
<br />
-rwxrwxrwx 1 root root 168 2010-02-14 14:12 xyz.sh<br />
<br />
<b>Directory files</b> : These contains the name and location of files/folders/special files stored on a physical device. And this type of files will be in blue in color.<br />
<br />
<b>How to create them?</b><br />
Ans : Use mkdir command<br />
<br />
<b>Example listing of directories</b>.drwxr-xr-x 2 surendra surendra 4096 2010-01-19 18:37 bin<br />
drwxr-xr-x 5 surendra surendra 4096 2010-02-15 18:46 Desktop<br />
drwxr-xr-x 2 surendra surendra 4096 2010-01-18 14:36 Documents<br />
drwxr-xr-x 2 surendra surendra 4096 2010-02-13 17:45 Downloads<br />
<br />
<b>Block files</b> : These files are hardware files most are present in /dev<br />
<b><br />
How to create them?</b><br />
Ans : Use fdisk command or create virtual partition.<br />
<br />
<b>Example listing of Block files(for you to see these file, they are located in /dev)</b>.<br />
brw-rw---- 1 root disk 8, 1 2010-02-15 09:35 sda1<br />
brw-rw---- 1 root disk 8, 2 2010-02-15 09:35 sda2<br />
brw-rw---- 1 root disk 8, 5 2010-02-15 09:35 sda5<br />
<br />
<b>Character devices files </b>: Provide only a serial stream of input or output.<br />
<br />
<b>Example listing of character files(located in /dev)</b><br />
crw-rw-rw- 1 root tty 5, 0 2010-02-15 16:52 tty<br />
crw--w---- 1 root root 4, 0 2010-02-15 09:35 tty0<br />
crw------- 1 root root 4, 1 2010-02-15 09:35 tty1<br />
<br />
<b>Pipe files</b> : The other sort of pipe is a “named” pipe, which is sometimes called a FIFO. FIFO stands for “First In, First Out” and refers to the property that the order of bytes going in is the same coming out. The “name” of a named pipe is actually a file name within the file system. --www.linux.com<br />
<br />
<b>How to create them?</b>Ans : Use mkfifo command.<br />
Example listing of pipe files<br />
prw-r----- 1 root root 0 2010-02-15 09:35 /dev/.initramfs/usplash_outfifo<br />
prw-r----- 1 root root 0 2010-02-15 09:35 /dev/.initramfs/usplash_fifo<br />
prw------- 1 syslog syslog 0 2010-02-15 15:38 /var/run/rsyslog/kmsg<br />
<br />
<b>Sybolic link files </b>: These are linked files to other files.<br />
<br />
<b>How to create them?</b><br />
Ans : use ln command<br />
<br />
<b>Example listing of linked files</b><br />
lrwxrwxrwx 1 root root 24 2010-02-15 09:35 sndstat -> /proc/asound/oss/sndstat<br />
lrwxrwxrwx 1 root root 15 2010-02-15 09:35 stderr -> /proc/self/fd/2<br />
lrwxrwxrwx 1 root root 15 2010-02-15 09:35 stdin -> /proc/self/fd/0<br />
lrwxrwxrwx 1 root root 15 2010-02-15 09:35 stdout -> /proc/self/fd/1<br />
<br />
<b>Socket files</b> : A socket file is used to pass information between applications for communication purpose<br />
<br />
<b>How to create them?</b><br />
Ans : You can create a socket file using socket() system call avialable under<br />
<br />
<b>Example</b><br />
int sockfd = socket(AF_INET, SOCK_STREAM, 0);<br />
You can refer to this socket file using the sockfd. This is same as the file descriptor, and you can use read(), write() system calls to read and write from the socket.<br />
<br />
<b>Example listing of socket files.</b><br />
srw-rw-rw- 1 root root 0 2010-02-15 09:35 /dev/log<br />
srwxrwxrwx 1 root root 0 2010-02-15 10:07 /var/run/cups/cups.sock<br />
srwxrwxrwx 1 root root 0 2010-02-15 09:35 /var/run/samba/winbindd_privileged/pipe<br />
srwxrwxrwx 1 mysql mysql 0 2010-02-15 09:35 /var/run/mysqld/mysqld.sock<br />
<br />
<b>A tip for you guys.</b><br />
How to find your desired type of a file ?Ans : Use find command with -type option.<br />
<br />
For example if you want to find socket file, just use below command.find / -type sIf you want to find linked file then how?Find / -type lRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-75522930739924303242010-12-24T23:01:00.000+05:302010-12-24T23:01:02.842+05:30RSYNC --The tool to copyRecently I came accross rsync utility... Its an awesome command it is a sub service under xinetd along with some other services such as tftp, rcp, rsh, rlogin, telnet etc..<br />
<br />
Let us list advantages of this command then we will know how to configure it.<br />
<br />
Advantages of rsync :<br />
<br />
<br />
1. This tool will keep both the destination and source folder synced.<br />
2. rsync is fast, because it will not copy entire data every time it got synced, it just copes the date which got changed from previous copy.<br />
3. For security reasons, rsync will support ssh to transfer data between two machines.<br />
4. rsync is used to download RPM updated repository to local machine.<br />
<br />
And lot more advantages are there.. please share your valuable experiences here.<br />
<br />
Configuration : rsync<br />
<br />
Some points to be remembered when dealing with rsync<br />
<br />
* This utility is the part of xinetd so there is no special package for this.<br />
* When we are doing rsync between two systems, both the systems should be configured to allow rsync connections.<br />
* rsync uses 873.<br />
<br />
Step1 : Install xinetd package, if you want to configure yum server click here.<br />
#yum install xinetd<br />
<br />
Step2 : Configure rsync to allow connections, the configuration file for rsync is located in /etc/xinetd.d<br />
#cd /etc/xinetd.d<br />
#vi rsync<br />
<br />
<br />
# default : off<br />
# description: The rsync server is a good addition to an ftp server, as it \<br />
# allows crc checksumming etc.<br />
service rsync<br />
{<br />
disable = yes<br />
socket_type = stream<br />
wait = no<br />
user = root<br />
server = /usr/bin/rsync<br />
server_args = --daemon<br />
log_on_failure += USERID<br />
}<br />
In this configuration file just change disable = yes to no, then save the file and exit. Here is the updated configured file.<br />
# description: The rsync server is a good addition to an ftp server, as it \<br />
# allows crc checksumming etc.<br />
service rsync<br />
{<br />
disable = no<br />
socket_type = stream<br />
wait = no<br />
user = root<br />
server = /usr/bin/rsync<br />
server_args = --daemon<br />
log_on_failure += USERID<br />
}<br />
<br />
Step3 : Start the rsync service, so how to do it? As i mention earlier that rsync is a part of xinetd service so just restart the xinetd service.<br />
#service xinetd restart<br />
<br />
Step4 : Permanently on the service<br />
#chkconfig rsync --levels 345 onRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-14207906526221429132010-09-22T14:45:00.002+05:302010-09-22T14:45:28.144+05:30Debian NIS HOWTO1. HOW TO SETUP A LOCAL NIS CLIENT<br />
<br />
1. Install the netbase, portmap and nis packages, apt-get install nis will do.<br />
<br />
2. The installation procedure will ask for your NIS domainname. This is just a name which describes the group of systems that use NIS, it is not a hostname. It is stored in the config file /etc/defaultdomain, in case you ever want to change it. Unlike DNS hostnames and domainnames, the NIS domainname is case-sensitive!<br />
<br />
3. If your NIS server is not "local" to your network, you will have to do some finetuning. The ypbind process has a configuration file called /etc/yp.conf. You can hardcode a NIS server there - for more info see the manual page for ypbind(8).<br />
<br />
*NOTE NOTE NOTE* - if you put a servername in /etc/yp.conf, make sure the server is also in /etc/hosts, or put it in in dotted-quad notation (12.34.56.78). Otherwise if your system boots and the network is not yet up or DNS isn't reachable, ypserv cannot resolve the servers in /etc/yp.conf and will hang!<br />
<br />
4. Start NIS by typing:<br />
<br />
/etc/init.d/nis stop<br />
/etc/init.d/nis start<br />
<br />
2. HOW TO SPECIFY WHAT RESOURCES TO USE FOR NIS:<br />
<br />
1. FOR LIBC6:<br />
<br />
Check your /etc/nsswitch.conf file and make sure that the entries for passwd, group, shadow and netgroup look like this:<br />
<br />
passwd: compat<br />
group: compat<br />
shadow: compat<br />
netgroup: nis<br />
<br />
At this moment, libc6 has some troubles with reading netgroup data from files. So do not use "db" or "files" in the entry for netgroup, all netgroup lookups have to go through the NIS server.<br />
<br />
2. USERS: Add the following line to /etc/passwd on your NIS clients (at the end of the file):<br />
<br />
+::::::<br />
<br />
You can also use the + and - characters to include/exclude or change users. If you want to exclude the user guest just add -guest to your /etc/passwd file. You want to use a different shell (e.g. ksh) for the user "linux"? No problem, just add "+linux::::::/bin/ksh" (without the quotes) to your /etc/passwd. Fields that you don't want to change have to be left empty.<br />
<br />
For example, to only allow login-access to miquels,dth and ed, but to have the account data of all other users available:<br />
<br />
+miquels::::::<br />
+ed::::::<br />
+dth::::::<br />
+:*::::::/etc/NoShell<br />
<br />
Note that in Linux you can also override the password field, as we did in this example.<br />
<br />
If you are using shadow passwords and export a "shadow" map from your NIS server, you also want to put the following in /etc/shadow (again at the end of the file):<br />
<br />
+::::::::<br />
<br />
If you want to override the password field and you're using shadow passwords do it in /etc/shadow, not in /etc/passwd ofcourse.<br />
<br />
3. GROUPS: Add the following line to /etc/group (at the end):<br />
<br />
+:::<br />
<br />
You should also consider changing the MINGID setting in /var/yp/Makefile if you want membership in groups such as audio, users, etc. to convey to clients.<br />
<br />
4. HOSTS:<br />
<br />
Normally you should not do host lookups through NIS, use DNS for that. If you really must use NIS for it, here's how to do it.<br />
1. For libc5 applications:<br />
<br />
If you want to use the NIS host maps of your NIS server you have to change your /etc/host.conf file. You just have to add the word "nis" to the "order" line. A sample host.conf file could look like this:<br />
<br />
order hosts,nis<br />
multi on<br />
<br />
2. For libc6 applications:<br />
<br />
Edit /etc/nsswitch.conf and change the hosts entry:<br />
<br />
hosts: files nis<br />
<br />
3. HOW TO SETUP A MASTER NIS SERVER:<br />
<br />
1. Install the nis package. You'll also need other packages such as portmap, but the debian dependancy system will take care of that automatically.<br />
<br />
2. Make sure that all systems you are going to use as a NIS server, master or slave, have all other systems in the /etc/hosts file. The FQDN (Fully Qualified Domain Name) should be the first hostname after every IP address, followed by just the hostname (without the domainname). For example:<br />
<br />
192.168.88.10 troi.cistron.nl troi<br />
<br />
On the NIS server the NIS hosts file (which is usually just /etc/hosts) should also have this setup. This is because NIS does not use DNS.<br />
<br />
3. set your NIS domain in the /etc/defaultdomain file. The NIS domain is just a name which describes the group of systems that use NIS, it is not a hostname. It is common practice to use your DNS domainname for this.<br />
<br />
Many people say this is a security risk, as by knowing your domainname it is possible to query your NIS server remotely and download all your NIS maps. Do not try to prevent this by choosing an obscure domainname. Just setup your /etc/ypserv.securenets and/ or your /etc/ypserv.conf properly so that your NIS server cannot be accessed outside of your local network at all.<br />
<br />
4. set ypserv to master (NISSERVER=master) in /etc/default/nis<br />
<br />
Note that earlier versions of the Debian NIS package kept this setting in the /etc/init.d/nis script - if you upgraded from a version before 3.9 you might still have the old script and you need to edit that script instead. Alternatively copy the new /etc/init.d/nis.dpkg-new script to /etc/init.d/nis.<br />
<br />
5. As mentioned above, add your local network number to the file /etc/ypserv.securenets. You don't have to do this: the default is to allow everybody to access your NIS server. It is however *strongly* recommended.<br />
<br />
For added security you might also want to edit the /etc/ypserv.conf file to mangle the password file for some clients (do not do this if you have non-debian slave servers in your network!)<br />
<br />
6. Start the server by typing:<br />
<br />
/etc/init.d/nis stop<br />
/etc/init.d/nis start<br />
<br />
This will start the server (ypserv) and the password daemon (yppasswdd).<br />
<br />
7. Setup the server.<br />
<br />
You do this by typing "/usr/lib/yp/ypinit -m". Before doing this, however, check that you have an /etc/networks file. The Makefile in /var/yp expects this, to build a "networks" NIS map. If you don't have one (new potato installs come without one) just use the command "touch /etc/networks" to create an empty one.<br />
<br />
If you want to restrict access to your NIS server, you'll have to setup the NIS server as a client as well by running ypbind and adding the plus-entries to /etc/passwd halfway the password file. The library functions will ignore all normal entries after the first NIS entry, and will get the rest of the info through NIS. This way the NIS access rules are maintained. example:<br />
<br />
root:x:0:0:root:/root:/bin/bash<br />
daemon:*:1:1:daemon:/usr/sbin:<br />
bin:*:2:2:bin:/bin:<br />
sys:*:3:3:sys:/dev:<br />
sync:*:4:100:sync:/bin:/bin/sync<br />
games:*:5:100:games:/usr/games:<br />
man:*:6:100:man:/var/catman:<br />
lp:*:7:7:lp:/var/spool/lpd:<br />
mail:*:8:8:mail:/var/spool/mail:<br />
news:*:9:9:news:/var/spool/news:<br />
uucp:*:10:50:uucp:/var/spool/uucp:<br />
nobody:*:65534:65534:noone at all,,,,:/dev/null:<br />
+miquels::::::<br />
+:*:::::/etc/NoShell<br />
[ All normal users AFTER this line! ]<br />
tester:*:299:10:Just a test account:/tmp:<br />
miquels:1234567890123:101:10:Miquel van Smoorenburg:/home/miquels:/bin/zsh<br />
<br />
The user tester will exist, but have a shell of /etc/NoShell. miquels will have normal access.<br />
<br />
Alternatively, you could edit the /var/yp/Makefile file and set NIS to use another source password file by pointing the YPPWDDIR variable at the top of the Makefile to another directory than /etc. On big systems, the NIS password and group files are often stored in /var/yp/ypfiles/. If you do this the normal tools to administrate the password file such as "passwd", "chfn", "adduser" will not work anymore and you will need special homemade tools for this.<br />
<br />
However yppasswd, ypchsh and ypchfn will work ofcourse, provided you run the yppasswdd with the -D option to point it to the location of the NIS password and shadow file. In version 3.9 and up of the Debian package, you can set this in the /etc/default/nis configuration file - the name of the variable is YPPWDDIR, just like in /var/yp/Makefile.<br />
<br />
The Debian version of these utilities - and the yppasswdd daemon - have a non-standard extension. "Root" can - using the root password - change other people's passwords, finger info and shell. If you edit the NIS password file manually or you use the standard /etc/passwd file, remember that after every change in one of the NIS source files you'll have to run "make" in the /var/yp directory to update the NIS maps. It would be reasonable to do this nightly from cron to be sure the NIS maps are kept up-to-date. <br />
<br />
4. SHADOW PASSWORDS<br />
The Linux libc5 does not support shadow NIS maps. If you are dependant on libc5 applications, do not use shadow NIS maps. Instead you can use the method below:<br />
<br />
1. SHADOW-LIKE SECURITY<br />
<br />
You can provide shadow-like security by "mangling" the password for NIS lookups of pasword-file entries. Read the manpage for "ypserv.conf" and read the comments in the sample /etc/ypserv.conf.<br />
<br />
2. REAL SHADOW SUPPORT<br />
<br />
Libc6 has real shadow support for NIS builtin. It works like you would expect; export the shadow map from the NIS server and just use it. The shadow map should be built with the "-s" (secure) option to makedbm. This is automatic in all modern /var/yp/Makefile files.<br />
<br />
Note that if you use the shadow password file you need to add "plus" entries (as in 2.2) to both /etc/passwd and /etc/shadow. Make sure you use the correct format; the passwd and shadow files have different fields.<br />
<br />
On the master server you need to edit the /var/yp/Makefile to include the shadow file in the "all:" target. If you're using the sample /var/yp/Makefile, you can just remove the comment sign in the "networks # shadow publickey ... " line and put it just after the "shadow" word instead of just before it. <br />
<br />
5. HOW TO SETUP A NIS SLAVE SERVER<br />
<br />
1. First setup your system as a working NIS client (see 1.)<br />
<br />
2. Follow the steps 3.1 .. 3.5 as described in above, but at step 3.4 set ypserv to slave (NISSERVER=slave) in the /etc/default/nis file.<br />
<br />
3. Tell your master NIS server it has a slave. First you have to adjust the NIS Makefile *on the master* so that all future updates get distributed to the slave(s) automatically. Set the NOPUSH variable in /var/yp/Makefile to "false" like this:<br />
<br />
NOPUSH="false"<br />
<br />
(Don't you just hate double negatives ..) Now tell the master about its slaves by running "/usr/lib/yp/ypinit -m". Enter the names of the slave servers. The maps will get rebuilt, but not pushed to the slaves just yet.<br />
<br />
4. Start the slave and initialize it by entering:<br />
<br />
/etc/init.d/nis stop<br />
/etc/init.d/nis start<br />
/usr/lib/yp/ypinit -s <name_of_your_master_nis_server_here><br />
<br />
The slave server will transfer the maps from the master.<br />
<br />
5. You might want to put the following script fragment into /etc/cron.d/nis *on the slave*, and make /etc/cron.d/nis executable (chmod 755 /etc/cron.d/nis) :<br />
<br />
20 * * * * root /usr/lib/yp/ypxfr_1perhour >/dev/null 2>&1<br />
40 6 * * * root /usr/lib/yp/ypxfr_1perday >/dev/null 2>&1<br />
55 6,18 * * * root /usr/lib/yp/ypxfr_2perday >/dev/null 2>&1<br />
<br />
This will ensure that most NIS maps are kept up-to-date, even if an update is missed because the slave was down at the time the update was done on the master. <br />
<br />
Known Bugs<br />
<br />
1. The Debian adduser command does not interact well with nis. Bugs 110516, 143432 and 150186 against adduser describe various problems in this vein.<br />
<br />
WORKAROUND: After using adduser to add a user, run:<br />
<br />
make -C /var/yp<br />
<br />
If the passwords entered during the adduser process don't match, then you must run the above command before retrying adduser.Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-21279546347704526362010-08-22T07:59:00.002+05:302010-08-22T08:00:56.248+05:30Using Rsync and SSH
Using Rsync and SSH - Keys, Validating, and AutomationUsing Rsync and SSH<br />
Keys, Validating, and Automation<br />
This document covers using cron, ssh, and rsync to backup files over a local network or the Internet. Part of my goal is to ensure no user intervention is required when the computer is restarted (for passwords, keys, or key managers).<br />
I like to backup some logging, mail, and configuration information sometimes on hosts across the network and Internet, and here is a way I have found to do it. You'll need these packages installed:<br />
<br />
* rsync<br />
* openssh<br />
* cron (or vixie-cron)<br />
<br />
Please note these instructions may be specific to Red Hat Linux versions 7.3, 9, and Fedora Core 3, but I hope they won't be too hard to adapt to almost any *NIX type OS. The man pages for 'ssh' and 'rsync' should be helpful to you if you need to change some things (use the "man ssh" and "man rsync" commands).<br />
First, I'll define some variables. In my explanation, I will be synchronizing files (copying only new or changed files) one way, and I will be starting this process from the host I want to copy things to. In other words, I will be syncing files from /remote/dir/ on remotehost, as remoteuser, to /this/dir/ on thishost, as thisuser.<br />
I want to make sure that 'rsync' over 'ssh' works at all before I begin to automate the process, so I test it first as thisuser:<br />
$ rsync -avz -e ssh remoteuser@remotehost:/remote/dir /this/dir/<br />
and type in remoteuser@remotehost's password when prompted. I do need to make sure that remoteuser has read permissions to /remote/dir/ on remotehost, and that thisuser has write permissions to /this/dir/ on thishost. Also, 'rsync' and 'ssh' should be in thisuser's path (use "which ssh" and "which rsync"), 'rsync' should be in remoteuser's path, and 'sshd' should be running on remotehost.<br />
Configuring thishost<br />
<br />
If that all worked out, or I eventually made it work, I am ready for the next step. I need to generate a private/public pair of keys to allow a 'ssh' connection without asking for a password. This may sound dangerous, and it is, but it is better than storing a user password (or key password) as clear text in the script [0]. I can also put limitations on where connections made with this key can come from, and on what they can do when connected. Anyway, I generate the key I will use on thishost (as thisuser):<br />
$ ssh-keygen -t dsa -b 2048 -f /home/thisuser/cron/thishost-rsync-key<br />
Generating public/private dsa key pair.<br />
Enter passphrase (empty for no passphrase): [press enter here]<br />
Enter same passphrase again: [press enter here]<br />
Your identification has been saved in /home/thisuser/cron/thishost-rsync-key.<br />
Your public key has been saved in /home/thisuser/cron/thishost-rsync-key.pub.<br />
The key fingerprint is:<br />
2e:28:d9:ec:85:21:e7:ff:73:df:2e:07:78:f0:d0:a0 thisuser@thishost<br />
and now we have a key with no password in the two files mentioned above [1]. Make sure that no other unauthorized user can read the private key file (the one without the '.pub' extension).<br />
This key serves no purpose until we put the public portion into the 'authorized_keys' file [2] on remotehost, specifically the one for remoteuser:<br />
/home/remoteuser/.ssh/authorized_keys<br />
I use scp to get the file over to remotehost:<br />
$ scp /home/thisuser/cron/thishost-rsync-key.pub remoteuser@remotehost:/home/remoteuser/<br />
and then I can prepare things on remotehost.<br />
Configuring remotehost<br />
<br />
I 'ssh' over to remotehost:<br />
$ ssh remoteuser@remotehost<br />
remoteuser@remotehost's password: [type correct password here]<br />
$ echo I am now $USER at $HOSTNAME<br />
I am now remoteuser at remotehost<br />
to do some work.<br />
I need to make sure I have the directory and files I need to authorize connections with this key [3]:<br />
$ if [ ! -d .ssh ]; then mkdir .ssh ; chmod 700 .ssh ; fi<br />
$ mv thishost-rsync-key.pub .ssh/<br />
$ cd .ssh/<br />
$ if [ ! -f authorized_keys ]; then touch authorized_keys ; chmod 600 authorized_keys ; fi<br />
$ cat thishost-rsync-key.pub >> authorized_keys<br />
Now the key can be used to make connections to this host, but these connections can be from anywhere (that the ssh daemon on remotehost allows connections from) and they can do anything (that remoteuser can do), and I don't want that. I edit the 'authorized_keys' file (with vi) and modify the line with 'thishost-rsync-key.pub' information on it. I will only be adding a few things in front of what is already there, changing the line from this:<br />
ssh-dss AAAAB3NzaC1kc3MAAAEBAKYJenaYvMG3nHwWxKwlWLjHb77CT2hXwmC8Ap+fG8wjlaY/9t4u<br />
A+2qx9JNorgdrWKhHSKHokFFlWRj+qk3q+lGHS+hsXuvta44W0yD0y0sW62wrEVegz+JVmntxeYc0nDz<br />
5tVGfZe6ydlgomzj1bhfdpYe+BAwop8L+EMqKLS4iSacNjoPlHsmqHMnbibn3tBqJEq2QJjEPaiYj1iP<br />
5IaCuYBhuTKQGa+oyH3mXEif5CKdsIKBj46B0tCy0/GC7oWcUN92QdLrUyTeRJZsTWsxKpRbMliD2pBh<br />
4oyX/aXEf8+HZBrO5vQjDBCfTFQA+35Xrd3eTVEjkGkncI0SAeUAAAAVAMZSASmQ9Pi38mdm6oiVXD55<br />
Kk2rAAABAE/bA402VuCsOLg9YS0NKxugT+o4UuIjyl6b2/cMmBVWO39lWAjcsKK/zEdJbrOdt/sKsxIK<br />
1/ZIvtl92DLlMhci5c4tBjCODey4yjLhApjWgvX9D5OPp89qhah4zu509uNX7uH58Zw/+m6ZOLHN28mV<br />
5KLUl7FTL2KZ583KrcWkUA0Id4ptUa9CAkcqn/gWkHMptgVwaZKlqZ+QtEa0V2IwUDWS097p3SlLvozw<br />
46+ucWxwTJttCHLzUmNN7w1cIv0w/OHh5IGh+wWjV9pbO0VT3/r2jxkzqksKOYAb5CYzSNRyEwp+NIKr<br />
Y+aJz7myu4Unn9de4cYsuXoAB6FQ5I8AAAEBAJSmDndXJCm7G66qdu3ElsLT0Jlz/es9F27r+xrg5pZ5<br />
GjfBCRvHNo2DF4YW9MKdUQiv+ILMY8OISduTeu32nyA7dwx7z5M8b+DtasRAa1U03EfpvRQps6ovu79m<br />
bt1OE8LS9ql8trx8qyIpYmJxmzIdBQ+kzkY+9ZlaXsaU0Ssuda7xPrX4405CbnKcpvM6q6okMP86Ejjn<br />
75Cfzhv65hJkCjbiF7FZxosCRIuYbhEEKu2Z9Dgh+ZbsZ+9FETZVzKBs4fySA6dIw6zmGINd+KY6umMW<br />
yJNej2Sia70fu3XLHj2yBgN5cy8arlZ80q1Mcy763RjYGkR/FkLJ611HWIA= thisuser@thishost<br />
to this [4]:<br />
from="10.1.1.1",command="/home/remoteuser/cron/validate-rsync" ssh-dss AAAAB3Nza<br />
C1kc3MAAAEBAKYJenaYvMG3nHwWxKwlWLjHb77CT2hXwmC8Ap+fG8wjlaY/9t4uA+2qx9JNorgdrWKhH<br />
SKHokFFlWRj+qk3q+lGHS+hsXuvta44W0yD0y0sW62wrEVegz+JVmntxeYc0nDz5tVGfZe6ydlgomzj1<br />
bhfdpYe+BAwop8L+EMqKLS4iSacNjoPlHsmqHMnbibn3tBqJEq2QJjEPaiYj1iP5IaCuYBhuTKQGa+oy<br />
H3mXEif5CKdsIKBj46B0tCy0/GC7oWcUN92QdLrUyTeRJZsTWsxKpRbMliD2pBh4oyX/aXEf8+HZBrO5<br />
vQjDBCfTFQA+35Xrd3eTVEjkGkncI0SAeUAAAAVAMZSASmQ9Pi38mdm6oiVXD55Kk2rAAABAE/bA402V<br />
uCsOLg9YS0NKxugT+o4UuIjyl6b2/cMmBVWO39lWAjcsKK/zEdJbrOdt/sKsxIK1/ZIvtl92DLlMhci5<br />
c4tBjCODey4yjLhApjWgvX9D5OPp89qhah4zu509uNX7uH58Zw/+m6ZOLHN28mV5KLUl7FTL2KZ583Kr<br />
cWkUA0Id4ptUa9CAkcqn/gWkHMptgVwaZKlqZ+QtEa0V2IwUDWS097p3SlLvozw46+ucWxwTJttCHLzU<br />
mNN7w1cIv0w/OHh5IGh+wWjV9pbO0VT3/r2jxkzqksKOYAb5CYzSNRyEwp+NIKrY+aJz7myu4Unn9de4<br />
cYsuXoAB6FQ5I8AAAEBAJSmDndXJCm7G66qdu3ElsLT0Jlz/es9F27r+xrg5pZ5GjfBCRvHNo2DF4YW9<br />
MKdUQiv+ILMY8OISduTeu32nyA7dwx7z5M8b+DtasRAa1U03EfpvRQps6ovu79mbt1OE8LS9ql8trx8q<br />
yIpYmJxmzIdBQ+kzkY+9ZlaXsaU0Ssuda7xPrX4405CbnKcpvM6q6okMP86Ejjn75Cfzhv65hJkCjbiF<br />
7FZxosCRIuYbhEEKu2Z9Dgh+ZbsZ+9FETZVzKBs4fySA6dIw6zmGINd+KY6umMWyJNej2Sia70fu3XLH<br />
j2yBgN5cy8arlZ80q1Mcy763RjYGkR/FkLJ611HWIA= thisuser@thishost<br />
where "10.1.1.1" is the IP (version 4 [5]) address of thishost, and "/home/remoteuser/cron/validate-rsync" (which is just one of a few options [6], including customization [7] to enhance security) is a script that looks something like this :<br />
#!/bin/sh<br />
<br />
case "$SSH_ORIGINAL_COMMAND" in<br />
*\&*)<br />
echo "Rejected"<br />
;;<br />
*\(*)<br />
echo "Rejected"<br />
;;<br />
*\{*)<br />
echo "Rejected"<br />
;;<br />
*\;*)<br />
echo "Rejected"<br />
;;<br />
*\<*)<br />
echo "Rejected"<br />
;;<br />
*\`*)<br />
echo "Rejected"<br />
;;<br />
*\|*)<br />
echo "Rejected"<br />
;;<br />
rsync\ --server*)<br />
$SSH_ORIGINAL_COMMAND<br />
;;<br />
*)<br />
echo "Rejected"<br />
;;<br />
esac<br />
If thishost has a variable address, or shares its address (via NAT or something similar) with hosts you do not trust, omit the 'from="10.1.1.1",' part of the line (including the comma), but leave the 'command' portion. This way, only the 'rsync' will be possible from connections using this key. Make certain that the 'validate-rsync' script is executable by remoteuser on remotehost and test it.<br />
PLEASE NOTE: The private key, though now somewhat limited in what it can do (and hopefully where it can be done from), allows the possessor to copy any file from remotehost that remoteuser has access to. This is dangerous, and I should take whatever precautions I deem necessary to maintain the security and secrecy of this key. Some possibilities would be ensuring proper file permissions are assigned, consider using a key caching daemon, and consider if I really need this process automated verses the risk.<br />
ALSO NOTE: Another security detail to consider is the SSH daemon configuration on remotehost. This example focuses on a user (remoteuser) who is not root. I recommend not using root as the remote user because root has access to every file on remotehost. That capability alone is very dangerous, and the penalties for a mistake or misconfiguration can be far steeper than those for a 'normal' user. If you do not use root as your remote user (ever), and you make security decisions for remotehost, I recommend either:<br />
PermitRootLogin no<br />
or:<br />
PermitRootLogin forced-commands-only<br />
be included in the '/etc/ssh/sshd_config' file on remotehost. These are global settings, not just related to this connection, so be sure you do not need the capability these configuration options prohibit. [8].<br />
The 'AllowUsers', 'AllowGroups', 'DenyUsers', and 'DenyGroups' key words can be used to restrict SSH access to particular users and groups. They are documented in the man page for "sshd_config", but I will mention that they all can use '*' and '?' as wildcards to allow and deny access to users and groups that match patterns. 'AllowUsers' and 'DenyUsers' can also restrict by host when the pattern is in USER@HOST form.<br />
Troubleshooting<br />
<br />
Now that I have the key with no password in place and configured, I need to test it out before putting it in a cron job (which has its own small set of baggage). I exit from the ssh session to remotehost and try:<br />
$ rsync -avz -e "ssh -i /home/thisuser/cron/thishost-rsync-key" remoteuser@remotehost:/remote/dir /this/dir/<br />
If this doesn't work, I will take off the "command" restriction on the key and try again. If it asks for a password, I will check permissions on the private key file (on thishost, should be 600), on 'authorized_keys' and (on remotehost, should be 600), on the '~/.ssh/' directory (on both hosts, should be 700), and on the home directory ('~/') itself (on both hosts, should not be writeable by anyone but the user). If some cryptic 'rsync' protocol error occurs mentioning the 'validate-rsync' script, I will make sure the permissions on 'validate-rsync' (on remotehost, may be 755 if every remotehost user is trusted) allow remoteuser to read and execute it.<br />
If things still aren't working out, some useful information may be found in log files. Log files usually found in the /var/log/ directory on most linux hosts, and in the /var/log/secure log file on Red Hat-ish linux hosts. The most useful logfiles in this instance will be found on remotehost, but localhost may provide some client side information in its logs [9] . If you can't get to the logs, or are just impatient, you can tell the 'ssh' executable to provide some logging with the 'verbose' commands: '-v', '-vv', '-vvv'. The more v's, the more verbose the output. One is in the command above, but the one below should provide much more output:<br />
$ rsync -avvvz -e "ssh -i /home/thisuser/cron/thishost-rsync-key" remoteuser@remotehost:/remote/dir /this/dir/<br />
Hopefully, it will always just work flawlessly so I never have to extend the troubleshooting information listed here [10] .<br />
Cron Job Setup<br />
<br />
The last step is the cron script. I use something like this:<br />
#!/bin/sh<br />
<br />
RSYNC=/usr/bin/rsync<br />
SSH=/usr/bin/ssh<br />
KEY=/home/thisuser/cron/thishost-rsync-key<br />
RUSER=remoteuser<br />
RHOST=remotehost<br />
RPATH=/remote/dir<br />
LPATH=/this/dir/<br />
<br />
$RSYNC -az -e "$SSH -i $KEY" $RUSER@$RHOST:$RPATH $LPATH<br />
because it is easy to modify the bits and pieces of the command line for different hosts and paths. I will usually call it something like 'rsync-remotehost-backups' if it contains backups. I test the script too, just in case I carefully inserted an error somewhere.<br />
When I get the script running successfully, I use 'crontab -e' to insert a line for this new cron job:<br />
0 5 * * * /home/thisuser/cron/rsync-remotehost-backups<br />
for a daily 5 AM sync, or:<br />
0 5 * * 5 /home/thisuser/cron/rsync-remotehost-backups<br />
for a weekly (5 AM on Fridays). Monthly and yearly ones are rarer for me, so look at "man crontab" or here for advice on those.Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-28002644682357672192010-07-13T01:57:00.001+05:302010-07-13T02:15:12.797+05:30Linux How to recover grub.conf password and remove kernel panic error<h1 class="boldg"></h1>The <b class="boldg">Grand Unified Bootloader (GRUB)</b> is a multiboot boot loader used for Linux With GRUB, users can select operating systems to run from a menu interface displayed when a system boots up. Use arrow keys to move to an entry and press ENTER.<br />
<br />
<br />
you have the Boot related problem and told to you that make successfully boot the System. While booting system, you saw some error and stop the boot process by displaying some error messages.<br />
<b><tt><i><span style="color: #525252; font-family: Microsoft sans Serif;"> Kernel Panic - not syncing: Attempted to kill init!<br />
And no further boot process. What you will do to boot the system. </span></i></tt></b><br />
If you are getting the Kernel panic error, it means it is boot loader related problem. Redhat Enterprise Linux uses the <b class="boldg">GRUB boot loader</b>. You can pass the kernel parameter from the boot loader as well as you can correct the kernel parameter passing from boot loader from GRUB screen at boot time.<br />
<h3 class="boldo">RHEL Linux Kernel panic error</h3>For this practical we will modify <b class="boldg">grub.conf</b> So you can understand what exactly case the kernel panic error. <br />
always take back up before modifying <b class="boldg">grub.conf</b> parameter <br />
<pre><b>
#cp /etc/grub.conf /root</b></pre><b><tt><i><span style="color: #cc6600; font-family: verdana;"> open <b class="boldg">/etc/grub.conf</b> from vi command <br />
<img alt="vi grub.conf" height="39" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_vi_grub.jpg" width="363" /><br />
Default <b class="boldg">grub.conf</b> file look like this We suggest you to cram up this file <br />
<img alt="default grub.conf" height="278" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_grubconf_default.jpg" width="524" /><br />
Now change kernel line as show below [ change forward slash <b class="boldg">/</b> to backward slash <b class="boldg">\</b> ]<br />
<img alt="grub.conf" height="137" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_grubconf_error.jpg" width="581" /><br />
Save file with <b class="boldg">:wq</b> and reboot the system </span></i></tt></b><br />
<b><tt><i><span style="color: #cc6600; font-family: verdana;"> On Restart you will get <b class="boldg">kernel panic error</b> <br />
<img alt="kernel" height="102" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_kenel_panic.jpg" width="520" /> </span></i></tt></b><br />
<h3 align="center" class="boldg">How to remove kernel panic error</h3><b><tt><i><span style="color: #cc6600; font-family: verdana;"> Reboot system and press <b class="boldg">space bar</b> on boot menu and select <b class="boldg">kernel line</b> <br />
<img alt="select kernel line" height="89" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_kenel_select.jpg" width="550" /><br />
Now press <b class="boldg">e</b> for edit and you will see the wrong entry of kernel line in <b class="boldg">grub.conf </b><br />
<img alt="kernel line with error" height="75" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_kenel_line_error.jpg" width="550" /><br />
Correct the kernel parameter replace backward slash <b class="boldg">\</b> to forward slash <b class="boldg">/</b> and press <b class="boldg">enter</b> to save<br />
<img alt="kernel line without errro" height="77" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_kenel_line.jpg" width="550" /> </span></i></tt></b><br />
This will correct this error temporary.You will get same error after rebooting the system . As change here will not change the default faulty grub.conf so after booting system don't forget to Correct the kernel parameter replace backward slash \ to forward slash /<br />
<pre><b>
#vi /etc/grub.conf</b></pre><img alt="default grub.conf" height="278" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_grubconf_default.jpg" width="524" /><br />
<h3 class="boldg">How remove grub.conf password</h3>By booting system in <b class="boldg">single mode</b> one can easily recovered root password. This could case great security risk. For this every Linux system administrator password protect the <b class="boldg">grub.conf</b> Two types of password can be set on grub.conf one to edit the parameter in <b class="boldg">grub.conf</b> during boot process and another to boot operating system. But what if you lost both root and grub.conf password. <br />
<b><tt><i><span style="color: #cc6600; font-family: verdana;"> For this practical open <b class="boldg">grub.conf</b> file </span></i></tt></b><br />
<pre><b>
#vi /etc/grub.conf</b></pre><b><tt><i><span style="color: #cc6600; font-family: verdana;"> Set password for editing just below the <b class="boldg">hidemenu</b> option and Set password for booting the OS just below the <b class="boldg">title menu</b><br />
<img alt="edititing grub.conf" height="306" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_grubconf_ed.jpg" width="480" /><br />
Now save file with :wq and restart the system </span></i></tt></b><br />
<b><tt><i><span style="color: #cc6600; font-family: verdana;"> Now press space bar on boot menu and press<b class="boldg"> e </b>to edit It will ask to give the password which you set below the <b class="boldg">hidemenu</b><br />
<img alt="select os menu" height="276" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_os_menu_withpass.jpg" width="502" /><br />
After it on boot screen it will ask <b class="boldg">OS password</b> which you set under the <b class="boldg">title menu</b> <br />
<img alt="booting screen with password" height="69" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_boot_withpass.jpg" width="382" /> </span></i></tt></b><br />
Now assume that you lost all three <b class="boldg">root, grub.conf</b> and<b class="boldg"> boot loader</b> password. How will you recover these passwords. <br />
<b><tt><i><span style="color: #cc6600; font-family: verdana;"> Boot system from Linux CD and give <b class="boldg">linux rescue</b> command on boot screen <br />
<img alt="linux rescue" height="177" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_boot_linux_rescue.jpg" width="379" /><br />
Select language to <b class="boldg">English</b> <br />
<img alt="Select language to English" height="306" src="http://computernetworkingnotes.com/rhce_certification/image/ass44_english.jpg" width="328" /><br />
Select Keyboard layout to <b class="boldg">US</b> <br />
<img alt="Select Keyboard layout to US" height="264" src="http://computernetworkingnotes.com/rhce_certification/image/ass44_cl_kebbord.jpg" width="351" /><br />
Press <b class="boldg">enter</b> on continue and it will search for linux on hard disk<br />
<img alt="" height="309" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_rescue_continue.jpg" width="478" /><br />
We don't need networking for this operation so select <b class="boldg">no</b> <br />
<img alt="" height="183" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_rescue_net_no.jpg" width="350" /><br />
Rescue mode will mount system image under the <b class="boldg">/mnt/sysimage</b> folder press ok <br />
<img alt="" height="274" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_rescue_ok.jpg" width="384" /> </span></i></tt></b><br />
<b><tt><i><span style="color: #cc6600; font-family: verdana;"> now change chroot to <b class="boldg">/mnt/sysimage</b> and open <b class="boldg">/etc/grub.conf</b><br />
<img alt="" height="113" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_sh_chroot.jpg" width="511" /><br />
Remove both <b class="boldg">hidemenu</b> and <b class="boldg">title</b> password and save file <br />
<img alt="" height="278" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_grubconf_default.jpg" width="524" /><br />
Now reboot the system and remove Linux CD from CDROM<br />
<img alt="" height="17" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_sh_reboot.jpg" width="166" /> </span></i></tt></b><br />
<b><tt><i><span style="color: #cc6600; font-family: verdana;"> After reboot there should be no password on <b class="boldg">OS selection screen</b> <br />
<img alt="" height="117" src="http://computernetworkingnotes.com/rhce_certification/image/ChRootPass_e_options.jpg" width="606" /><br />
And on <b class="boldg">boot screen</b><br />
<img alt="" height="96" src="http://computernetworkingnotes.com/rhce_certification/image/ass47_boot_withoutpass.jpg" width="381" /><br />
</span></i></tt></b><br />
We have recovered both boot loader and OS selection menu password now you easily recovered <b class="boldg">root password</b> by booting system in single mode. If you feel difficulties in recovering root password check our pervious articleRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-44201733001408528432010-07-13T01:41:00.002+05:302010-07-13T01:41:13.965+05:30Troubleshooting tips to make troubleshooting a Linux kernel panic easier<h3></h3><div><strong>Issue Description:</strong></div><div>Kernel panics on Linux are hard to identify and troubleshoot. Troubleshooting kernel panics often requires reproducing a situation that occurs rarely and collecting data that is difficult to gather. <br />
<br />
<strong>Solution Summary:</strong></div><div>This document outlines several techniques that can help reduce the amount of time necessary to troubleshoot a kernel panic. <br />
<br />
<br />
<strong>Technical Discussion:</strong></div><div><br />
What is a kernel panic? </div><br />
As the name implies, it is when the Linux kernel gets into a situation where it doesn't know what to do next. When this happens, the kernel gives as much information as it can about what caused the problem, depending on what led to the panic. <br />
<br />
There are two main kinds of kernel panics: <br />
1) Hard Panic (also known as Aieee! )<br />
2) Soft Panic (also known as Oops )<br />
<br />
What can cause a kernel panic? <br />
<br />
Only modules that are located within kernel space can directly cause the kernel to panic. To see what modules are dynamically loaded, do lsmod this shows all dynamically loaded modules (Dialogic® drivers, LiS, SCSI driver, filesystem, etc.). In addition to these dynamically loaded modules, components that are built into the kernel (memory map, etc.) can cause a panic. <br />
<br />
Since hard panics and soft panics are different in nature, this document discusses how to deal with each separately. <br />
<br />
<strong>How to Troubleshoot a Hard Kernel Panic </strong><br />
<br />
<strong>Symptoms:</strong> <br />
1) Machine is completely locked up and unusable <br />
2) Num Lock / Caps Lock / Scroll Lock keys usually blink <br />
3) If in console mode, dump is displayed on monitor (including the phrase “Aieee!”) <br />
4) Similar to Windows® Blue Screen of Death<br />
<br />
<strong>Causes: </strong><br />
The most common cause of a hard kernel panic is when a driver crashes within an interrupt handler, usually because it tried to access a null pointer within the interrupt handler. When this happens, that driver cannot handle any new interrupts and eventually the system crashes. This is not exclusive to Dialogic drivers. <br />
<br />
<strong><u>I</u>nformation to collect: </strong><br />
Depending on the nature of the panic, the kernel will log all information it can prior to locking up. Since a kernel panic is a drastic failure, it is uncertain how much information will be logged. Below are key pieces of information to collect. It is important to gather as many of these as possible, but there is no guarantee that all of them will be available, especially the first time a panic is seen. <br />
<br />
1) /var/log/messages -- sometimes the entire kernel panic stack trace will be logged there <br />
2) Application / Library logs (RTF, cheetah, etc.) – may show what was happening before the panic <br />
3) Other information about what happened just prior to the panic, or how to reproduce the condition<br />
4) Screen dump from console. Since the OS is locked, you cannot cut and paste from the screen. There are two common ways to get this information: <br />
• Digital photograph of screen (preferred, since it’s quicker and easier) <br />
• Copying screen with pen and paper or typing to another computer <br />
<br />
If the dump is not available either in /var/log/message or on the screen, follow these steps to get a dump: <br />
<br />
1) If in GUI mode, switch to full console mode – no dump information is passed to the GUI (not even to GUI shell) <br />
2) Make sure screen stays on during full test run – if a screen saver kicks in, the screen won’t return after a kernel panic. Use these settings to keep the screen on:<br />
• setterm -blank 0 <br />
• setterm -powerdown 0 <br />
• setvesablank off <br />
3) From console, copy dump from screen (see above) <br />
<br />
<strong>Troubleshooting when a full trace is available </strong><br />
<br />
The stack trace is the most important piece of information to use in troubleshooting a kernel panic. It is often crucial to have a full stack trace, something that may not be available if only a screen dump is provided – the top of the stack may scroll off the screen, leaving only a partial stack trace. If a full trace is available, it is usually sufficient to isolate root cause. To identify whether or not you have a large enough stack trace, look for a line with EIP, which will show what function call and module caused the panic. In the example below, this is shown in the following line: <br />
EIP is at _dlgn_setevmask [streams-dlgnDriver] 0xe <br />
<br />
If the culprit is a Dialogic driver you will see a module name with: <br />
streams-xxxxDriver (xxxx = dlgn, dvbm, mercd, etc.) <br />
<br />
<strong>Hard panic – full trace example: </strong> <pre>Unable to handle kernel NULL pointer dereference at virtual address 0000000c
printing eip:
f89e568a
*pde = 32859001
*pte = 00000000
Oops: 0000
Kernel 2.4.9-31enterprise
CPU: 1
EIP: 0010:[<f89e568a>] Tainted: PF
EFLAGS: 00010096
EIP is at _dlgn_setevmask [streams-dlgnDriver] 0xe
eax: 00000000 ebx: f65f5410 ecx: f5e16710 edx: f65f5410
esi: 00001ea0 edi: f5e23c30 ebp: f65f5410 esp: f1cf7e78
ds: 0018 es: 0018 ss: 0018
Process pwcallmgr (pid: 10334, stackpage=f1cf7000)
Stack: 00000000 c01067fa 00000086 f1cf7ec0 00001ea0 f5e23c30 f65f5410 f89e53ec
f89fcd60 f5e16710 f65f5410 f65f5410 f8a54420 f1cf7ec0 f8a4d73a 0000139e
f5e16710 f89fcd60 00000086 f5e16710 f5e16754 f65f5410 0000034a f894e648
Call Trace: [setup_sigcontext+218/288] setup_sigcontext [kernel] 0xda
Call Trace: [<c01067fa>] setup_sigcontext [kernel] 0xda
[<f89e53ec>] dlgnwput [streams-dlgnDriver] 0xe8
[<f89fcd60>] Sm_Handle [streams-dlgnDriver] 0x1ea0
[<f8a54420>] intdrv_lock [streams-dlgnDriver] 0x0
[<f8a4d73a>] Gn_Maxpm [streams-dlgnDriver] 0x8ba
[<f89fcd60>] Sm_Handle [streams-dlgnDriver] 0x1ea0
[<f894e648>] lis_safe_putnext [streams] 0x168
[<f8a7b098>] __insmod_streams-dvbmDriver_S.bss_L117376 [streams-dvbmDriver] 0xab8
[<f8a78821>] dvbmwput [streams-dvbmDriver] 0x6f5
[<f8a79f98>] dvwinit [streams-dvbmDriver] 0x2c0
[<f894e648>] lis_safe_putnext [streams] 0x168
[<f893e6d8>] lis_strputpmsg [streams] 0x54c
[<f895482e>] __insmod_streams_S.rodata_L35552 [streams] 0x182e
[<f8951227>] sys_putpmsg [streams] 0x6f
[system_call+51/56] system_call [kernel] 0x33
[<c010719b>] system_call [kernel] 0x33
Nov 28 12:17:58 talus kernel:
Nov 28 12:17:58 talus kernel:
Code: 8b 70 0c 8b 06 83 f8 20 8b 54 24 20 8b 6c 24 24 76 1c 89 5c</c010719b></f8951227></f895482e></f893e6d8></f894e648></f8a79f98></f8a78821></f8a7b098></f894e648></f89fcd60></f8a4d73a></f8a54420></f89fcd60></f89e53ec></c01067fa></f89e568a></pre> <br />
<br />
<strong>Troubleshooting when a full trace is not available</strong> <br />
If only a partial stack trace is available, it can be tricky to isolate the root cause, since there is no explicit information about what module of function call caused the panic. Instead, only commands leading up to the final command will be seen in a partial stack trace. In this case, it is very important to collect as much information as possible about what happened leading up to the kernel panic (application logs, library traces, steps to reproduce, etc). <u><em><br />
<br />
</em></u><strong>Hard panic – partial trace example (note there is no line with EIP information) </strong> <pre>[<c01e42e7>] ip_rcv [kernel] 0x357
[<f8a179d5>] sramintr [streams_dlgnDriver] 0x32d
[<f89a3999>] lis_spin_lock_irqsave_fcn [streams] 0x7d
[<f8a82fdc>] inthw_lock [streams_dlgnDriver] 0x1c
[<f8a7bad8>] pwswtbl [streams_dlgnDriver] 0x0
[<f8a15442>] dlgnintr [streams_dlgnDriver] 0x4b
[<f8a7c30a>] Gn_Maxpm [streams_dlgnDriver] 0x7ae
[<c0123bc1>] __run_timers [kernel] 0xd1
[<c0108a6e>] handle_IRQ_event [kernel] 0x5e
[<c0108c74>] do_IRQ [kernel] 0xa4
[<c0105410>] default_idle [kernel] 0x0
[<c0105410>] default_idle [kernel] 0x0
[<c022fab0>] call_do_IRQ [kernel] 0x5
[<c0105410>] default_idle [kernel] 0x0
[<c0105410>] default_idle [kernel] 0x0
[<c010543d>] default_idle [kernel] 0x2d
[<c01054c2>] cpu_idle [kernel] 0x2d
[<c011bb86>] __call_console_drivers [kernel] 0x4b
[<c011bcfb>] call_console_drivers [kernel] 0xeb
Code: 8b 50 0c 85 d2 74 31 f6 42 0a 02 74 04 89 44 24 08 31 f6 0f
<0> Kernel panic: Aiee, killing interrupt handler!
In interrupt handler - not syncing</c011bcfb></c011bb86></c01054c2></c010543d></c0105410></c0105410></c022fab0></c0105410></c0105410></c0108c74></c0108a6e></c0123bc1></f8a7c30a></f8a15442></f8a7bad8></f8a82fdc></f89a3999></f8a179d5></c01e42e7></pre> <br />
<br />
<strong>Using kernel debugger (KDB)</strong> <br />
If only a partial trace is available and the supporting information is not sufficient to isolate root cause, it may be useful to use kernel debugger (KDB). KDB is a tool that is compiled into the kernel to cause the kernel to break into a shell rather than lock up when a panic occurs. This enables you to collect additional information about the panic, which is often useful in determining root cause. <br />
<br />
<strong>Some important things to note about using KDB: </strong><br />
1) If this is a potential Dialogic issue, then Dialogic technical support should be contacted prior to the to use of KDB <br />
2) Must use base kernel; i.e. 2.4.18 kernel instead of 2.4.18-5 from RedHat. This is because KDB is only available for the base kernels, and not the builds created by RedHat. Although this does create a slight deviation from the original configuration, it usually does not interfere with root cause analysis. <br />
3) Needs different Dialogic® drivers compiled to handle the specific kernel. <div dir="ltr"><br />
<br />
<strong>How to Troubleshoot a Soft Kernel Panic</strong></div><br />
<strong>Symptoms </strong><br />
1) Much less severe than hard panic <br />
2) Usually results in a segmentation fault <br />
3) Can see an oops message – search /var/log/messages for string ‘Oops’ <br />
4) Machine still somewhat usable (but should be rebooted after information is collected) <br />
<br />
<strong>Causes </strong><br />
Almost anything that causes a module to crash when it is not within an interrupt handler can cause a soft panic. In this case, the driver itself will crash but will not cause catastrophic system failure since it was not locked in the interrupt handler. The same possible causes exist for soft panics as for hard panics (i.e. accessing a null pointer during runtime). <br />
<br />
<strong>Information to collect </strong><br />
When a soft panic occurs, the kernel will generate a dump that contains kernel symbols – this information is logged in /var/log/messages. To begin troubleshooting, use the ksymoops utility to turn kernel symbols into meaningful data. <br />
<br />
To generate a ksymoops file: <br />
1) Create new file from text of stack trace found in /var/log/messages. Make sure to strip off timestamps, otherwise ksymoops will fail. <br />
2) Run ksymoops on new stack trace file: <br />
Generic: ksymoops -o [location of Dialogic drivers] filename <br />
Example: ksymoops -o /lib/modules/2.4.18-5/misc ksymoops.log <br />
All other defaults should work fine <br />
<br />
<br />
<br />
<strong>Soft panic – oops trace example</strong><u><em> </em></u> <pre>Code: 8b 70 0c 50 e8 69 f9 f8 ff 83 c4 10 83 f8 08 74 35 66 c7 47
EIP; f89ba71e <[streams-dlgnDriver]_dlgn_setidlestate+1e/8c>
Trace; f8951bd6 <[streams]lis_wakeup_close+86/110>
Trace; f8a2705c <[streams-dlgnDriver]__module_parm_r4_feature+280/1453>
Trace; f8a27040 <[streams-dlgnDriver]__module_parm_r4_feature+264/1453>
Trace; f89b9198 <[streams-dlgnDriver]dlgnwput+e8/204></pre><div><br />
<strong>Product List</strong></div><div>Dialogic® System Release Software for Linux, all versions</div><div><br />
<strong>Glossary of Acronyms / Terms</strong></div><div>LiS – Linux Streams <br />
SCSI – Small Computer Systems Interface <br />
RTF – Runtime Tracing Facility <br />
KDB – Kernel Debugger</div>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com1tag:blogger.com,1999:blog-8838044055487075958.post-48419684682785570582010-06-22T12:08:00.002+05:302010-06-22T12:08:58.590+05:30THE APACHE SERVER STATUS & ERROR CODES<table bgcolor="#ffffcc" border="1"><tbody>
<tr><td align="center" colspan="2"><b>Successful Client Requests</b></td></tr>
<tr><td>200</td><td> OK</td></tr>
<tr><td>201</td><td> Created</td></tr>
<tr><td>202</td><td> Accepted</td></tr>
<tr><td>203</td><td> Non-Authorative Information</td></tr>
<tr><td>204</td><td> No Content</td></tr>
<tr><td>205</td><td> Reset Content</td></tr>
<tr><td>206</td><td> Partial Content</td></tr>
<tr><td align="center" colspan="2"><b>Client Request Redirected</b></td></tr>
<tr><td>300</td><td> Multiple Choices</td></tr>
<tr><td>301</td><td> Moved Permanently</td></tr>
<tr><td>302</td><td> Moved Temporarily</td></tr>
<tr><td>303</td><td> See Other</td></tr>
<tr><td>304</td><td> Not Modified</td></tr>
<tr><td>305</td><td> Use Proxy</td></tr>
<tr><td align="center" colspan="2"><b>Client Request Errors</b></td></tr>
<tr><td>400</td><td> Bad Request</td></tr>
<tr><td>401</td><td> Authorization Required</td></tr>
<tr><td>402</td><td> Payment Required (not used yet)</td></tr>
<tr><td>403</td><td> Forbidden</td></tr>
<tr><td>404</td><td> Not Found</td></tr>
<tr><td>405</td><td> Method Not Allowed</td></tr>
<tr><td>406</td><td> Not Acceptable (encoding)</td></tr>
<tr><td>407</td><td> Proxy Authentication Required</td><td><br />
</td></tr>
<tr><td>408</td><td> Request Timed Out</td></tr>
<tr><td>409</td><td> Conflicting Request</td></tr>
<tr><td>410</td><td> Gone</td></tr>
<tr><td>411</td><td> Content Length Required</td></tr>
<tr><td>412</td><td> Precondition Failed</td></tr>
<tr><td>413</td><td> Request Entity Too Long</td></tr>
<tr><td>414</td><td> Request URI Too Long</td></tr>
<tr><td>415</td><td> Unsupported Media Type</td></tr>
<tr><td align="center" colspan="2"><b>Server Errors</b></td></tr>
<tr><td>500</td><td> Internal Server Error</td></tr>
<tr><td>501</td><td> Not Implemented</td></tr>
<tr><td>502</td><td> Bad Gateway</td><td><br />
</td></tr>
<tr><td>503</td><td> Service Unavailable</td><td><br />
</td></tr>
<tr><td>504</td><td> Gateway Timeout</td><td><br />
</td></tr>
<tr><td>505</td><td> HTTP Version Not Supported</td></tr>
</tbody></table>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-29272309575936091552010-06-22T12:02:00.000+05:302010-06-22T12:02:57.056+05:30Apache Server Frequently Asked Questions<h3> Error Log Messages and Problems Starting Apache</h3><ol><li><a href="" id="setgid" name="setgid" style="color: #cd0404; text-decoration: none;"><strong>Why do I get "<samp>setgid: Invalid argument</samp>" at startup?</strong></a> Your <samp>Group</samp> directive (probably in <samp>conf/httpd.conf</samp>) needs to name a group that actually exists in the <samp>/etc/group</samp> file (or your system's equivalent). This problem is also frequently seen when a negative number is used in the <code>Group</code> directive (<em>e.g.</em>, "<code>Group #-1</code>"). Using a group name -- not group number -- found in your system's group database should solve this problem in all cases.<br />
<hr /> </li>
<li><a href="" id="nodelay" name="nodelay" style="color: #cd0404; text-decoration: none;"><strong>Why am I getting "<samp>httpd: could not set socket option TCP_NODELAY</samp>" in my error log?</strong></a> This message almost always indicates that the client disconnected before Apache reached the point of calling <code>setsockopt()</code> for the connection. It shouldn't occur for more than about 1% of the requests your server handles, and it's advisory only in any case.<br />
<hr /> </li>
<li><a href="" id="peerreset" name="peerreset" style="color: #cd0404; text-decoration: none;"><strong>Why am I getting "<samp>connection reset by peer</samp>" in my error log?</strong></a> This is a normal message and nothing about which to be alarmed. It simply means that the client canceled the connection before it had been completely set up - such as by the end-user pressing the "Stop" button. People's patience being what it is, sites with response-time problems or slow network links may experience this more than high capacity ones or those with large pipes to the network.<br />
<hr /> </li>
<li> <a href="" id="wheres-the-dump" name="wheres-the-dump" style="color: #cd0404; text-decoration: none;"><strong>The errorlog says Apache dumped core, but where's the dump file?</strong></a> In Apache version 1.2, the error log message about dumped core includes the directory where the dump file should be located. However, many Unixes do not allow a process that has called <code>setuid()</code> to dump core for security reasons; the typical Apache setup has the server started as root to bind to port 80, after which it changes UIDs to a non-privileged user to serve requests.<br />
Dealing with this is extremely operating system-specific, and may require rebuilding your system kernel. Consult your operating system documentation or vendor for more information about whether your system does this and how to bypass it. If there <em>is</em> a documented way of bypassing it, it is recommended that you bypass it only for the <samp>httpd</samp> server process if possible.<br />
The canonical location for Apache's core-dump files is the ServerRoot directory. As of Apache version 1.3, the location can be set <em>via</em> the <samp>CoreDumpDirectory</samp> directive to a different directory. Make sure that this directory is writable by the user the server runs as (as opposed to the user the server is <em>started</em> as).<br />
<hr /> </li>
<li><a href="" id="linux-shmget" name="linux-shmget" style="color: #cd0404; text-decoration: none;"><strong>When I run it under Linux I get "shmget: function not found", what should I do?</strong></a> Your kernel has been built without SysV IPC support. You will have to rebuild the kernel with that support enabled (it's under the "General Setup" submenu). Documentation for kernel building is beyond the scope of this FAQ; you should consult the Kernel HOWTO, or the documentation provided with your distribution, or a Linux newsgroup/mailing list. As a last-resort workaround, you can comment out the <code>#define USE_SHMGET_SCOREBOARD</code> definition in the <samp>LINUX</samp> section of <samp>src/conf.h</samp> and rebuild the server (prior to 1.3b4, simply removing <code>#define HAVE_SHMGET</code> would have sufficed). This will produce a server which is slower and less reliable.<br />
<hr /> </li>
<li><a href="" id="nfslocking" name="nfslocking" style="color: #cd0404; text-decoration: none;"><strong>Server hangs, or fails to start, and/or error log fills with "<samp>fcntl: F_SETLKW: No record locks available</samp>" or similar messages</strong></a> These are symptoms of a fine locking problem, which usually means that the server is trying to use a synchronization file on an NFS filesystem.<br />
Because of its parallel-operation model, the Apache Web server needs to provide some form of synchronization when accessing certain resources. One of these synchronization methods involves taking out locks on a file, which means that the filesystem whereon the lockfile resides must support locking. In many cases this means it <em>can't</em> be kept on an NFS-mounted filesystem.<br />
To cause the Web server to work around the NFS locking limitations, include a line such as the following in your server configuration files:<br />
<dl><dd><code>LockFile /var/run/apache-lock</code></dd></dl>The directory should not be generally writable (<em>e.g.</em>, don't use <samp>/var/tmp</samp>). See the <samp>LockFile</samp> documentation for more information.<br />
<hr /> </li><br />
<li><a href="" id="aixccbug" name="aixccbug" style="color: #cd0404; text-decoration: none;"><strong>Why am I getting "<samp>Expected but saw </samp>" when I try to start Apache?</strong></a> This is a known problem with certain versions of the AIX C compiler. IBM are working on a solution, and the issue is being tracked by problem report #2312.<br />
<hr /> </li><br />
<li><a href="" id="redhat" name="redhat" style="color: #cd0404; text-decoration: none;"><strong>I'm using RedHat Linux and I have problems with httpd dying randomly or not restarting properly</strong></a> RedHat Linux versions 4.x (and possibly earlier) RPMs contain various nasty scripts which do not stop or restart Apache properly. These can affect you even if you're not running the RedHat supplied RPMs.<br />
If you're using the default install then you're probably running Apache 1.1.3, which is outdated. From RedHat's ftp site you can pick up a more recent RPM for Apache 1.2.x. This will solve one of the problems.<br />
If you're using a custom built Apache rather than the RedHat RPMs then you should <code>rpm -e apache</code>. In particular you want the mildly broken <code>/etc/logrotate.d/apache</code> script to be removed, and you want the broken <code>/etc/rc.d/init.d/httpd</code> (or <code>httpd.init</code>) script to be removed. The latter is actually fixed by the apache-1.2.5 RPMs but if you're building your own Apache then you probably don't want the RedHat files.<br />
We can't stress enough how important it is for folks, <em>especially vendors</em> to follow the stopping Apache directions given in our documentation. In RedHat's defense, the broken scripts were necessary with Apache 1.1.x because the Linux support in 1.1.x was very poor, and there were various race conditions on all platforms. None of this should be necessary with Apache 1.2 and later.<br />
<hr /> </li><br />
<li><a href="" id="stopping" name="stopping" style="color: #cd0404; text-decoration: none;"><strong>I upgraded from an Apache version earlier than 1.2.0 and suddenly I have problems with Apache dying randomly or not restarting properly</strong></a> You should read the previous note about problems with RedHat installations. It is entirely likely that your installation has start/stop/restart scripts which were built for an earlier version of Apache. Versions earlier than 1.2.0 had various race conditions that made it necessary to use <code>kill -9</code> at times to take out all the httpd servers. But that should not be necessary any longer. You should follow the directions on how to stop and restart Apache.<br />
As of Apache 1.3 there is a script <code>src/support/apachectl</code> which, after a bit of customization, is suitable for starting, stopping, and restarting your server.<br />
<hr /> </li><br />
<li> <a href="" id="setservername" name="setservername" style="color: #cd0404; text-decoration: none;"><b>When I try to start Apache from a DOS window, I get a message like "<samp>Cannot determine host name. Use ServerName directive to set it manually.</samp>" What does this mean?</b></a> It means what it says; the Apache software can't determine the hostname of your system. Edit your <samp>conf\httpd.conf</samp> file, look for the string "ServerName", and make sure there's an uncommented directive such as<br />
<dl><dd><code>ServerName localhost</code></dd></dl>or<br />
<dl><dd><code>ServerName www.foo.com</code></dd></dl>in the file. Correct it if there one there with wrong information, or add one if you don't already have one.<br />
Also, make sure that your Windows system has DNS enabled. See the TCP/IP setup component of the Networking or Internet Options control panel.<br />
After verifying that DNS is enabled and that you have a valid hostname in your <samp>ServerName</samp> directive, try to start the server again.<br />
<hr /> </li><br />
<li><a href="" id="ws2_32dll" name="ws2_32dll" style="color: #cd0404; text-decoration: none;"><b>When I try to start Apache for Windows, I get a message like "<samp>Unable To Locate WS2_32.DLL...</samp>". What should I do?</b></a> Short answer: You need to install Winsock 2, available from http://www.microsoft.com/windows95/downloads/<br />
Detailed answer: Prior to version 1.3.9, Apache for Windows used Winsock 1.1. Beginning with version 1.3.9, Apache began using Winsock 2 features (specifically, WSADuplicateSocket()). WS2_32.DLL implements the Winsock 2 API. Winsock 2 ships with Windows NT 4.0 and Windows 98. Some of the earlier releases of Windows 95 did not include Winsock 2.<br />
<hr /> </li><br />
<li> <a href="" id="WSADuplicateSocket" name="WSADuplicateSocket" style="color: #cd0404; text-decoration: none;"><b>Apache for Windows does not start. Error log contains this message: "<samp>[crit] (10045) The attempted operation is not supported for the type of object referenced: Parent: WSADuplicateSocket failed for socket ###</samp>". What does this mean?</b></a> We have seen this problem when Apache is run on systems along with Virtual Private Networking clients like Aventail Connect. Aventail Connect is a Layered Service Provider (LSP) that inserts itself, as a "shim," between the Winsock 2 API and Window's native Winsock 2 implementation. The Aventail Connect shim does not implement WSADuplicateSocket, which is the cause of the failure.<br />
The shim is not unloaded when Aventail Connect is shut down. Once observed, the problem persists until the shim is either explicitly unloaded or the machine is rebooted. Another potential solution (not tested) is to add <code>apache.exe</code> to the Aventail "Connect Exclusion List".<br />
Apache is affected in a similar way by <em>any</em> firewall program that isn't correctly configured. Assure you exclude your Apache server ports (usually port 80) from the list of ports to block. Refer to your firewall program's documentation for the how-to.<br />
<hr /> </li><br />
<li><a href="" id="err1067" name="err1067" style="color: #cd0404; text-decoration: none;"><b>When I try to start Apache on Windows, I get a message like "<code>System error 1067 has occurred. The process terminated unexpectedly</code>." What does this mean?</b></a> This message means that the Web server was unable to start correctly for one reason or another. To find out why, execute the following commands in a DOS window:<br />
<pre>c:
cd "\Program Files\Apache Group\Apache"
apache
</pre>(If you don't get the prompt back, hit Control-C to cause Apache to exit.)<br />
The error you see will probably be one of those preceding this question in the FAQ.<br />
As of Apache 1.3.14, first check the Windows NT Event Log for Application errors using the Windows NT/2000 Event Viewer program. Any errors that occur prior to opening the Apache error log will be stored here, if Apache is run as a Service on NT or 2000. As with any error, also check your Apache error log.<br />
<hr /> </li><br />
<li><a href="" id="suseFDN" name="suseFDN" style="color: #cd0404; text-decoration: none;"><b>On a SuSE Linux system, I try and configure access control using basic authentication. Although I follow the example exactly, authentication fails, and an error message "<code>admin: not a valid FDN: ....</code>" is logged.</b></a> In the SuSE distribution, additional 3rd party authentication modules have been added and activated by default. These modules interfere with the Apache standard modules and cause Basic authentication to fail. Our recommendation is to comment all those modules in <code>/etc/httpd/suse_addmodule.conf</code> and <code>/etc/httpd/suse_loadmodule.conf</code> which are not actually required for running your server.<br />
<hr /> </li><br />
<li><a href="" id="codered" name="codered" style="color: #cd0404; text-decoration: none;"><b>Why do I have weird entries in my logs asking for <code>default.ida</code> and <code>cmd.exe</code>?</b></a> The host requesting pages from your website and creating those entries is a Windows machine running IIS that has been infected by an Internet worm such as Nimda or Code Red. You can safely ignore these error messages as they do not affect Apache. ApacheWeek has an article with more information.<br />
<hr /> </li><br />
<li><a href="" id="restart" name="restart" style="color: #cd0404; text-decoration: none;"><b>Why am I getting server restart messages periodically, when I did not restart the server?</b></a> Problem: You are noticing restart messages in your error log, periodically, when you know you did not restart the server yourself:<br />
<pre>[Thu Jun 6 04:02:01 2002] [notice] SIGHUP received. Attempting to restart
[Thu Jun 6 04:02:02 2002] [notice] Apache configured -- resuming normal operations</pre>Check your cron jobs to see when/if your server logs are being rotated. Compare the time of rotation to the error message time. If they are the same, you can somewhat safely assume that the restart is due to your server logs being rotated.<br />
<hr /> </li><br />
<li><a href="" id="modulemagic" name="modulemagic" style="color: #cd0404; text-decoration: none;"><b>Why am I getting "module <em>module-name</em> is not compatible with this version of Apache" messages in my error log?</b></a> Module Magic Number (MMN) is a constant defined in Apache source that is associated with binary compatibility of modules. It is changed when internal Apache structures, function calls and other significant parts of API change in such a way that binary compatibility cannot be guaranteed any more. On MMN change, all third party modules have to be at least recompiled, sometimes even slightly changed in order to work with the new version of Apache.<br />
If you're getting the above error messages, contact the vendor of the module for the new binary, or compile it if you have access to the source code.<br />
</li><br />
</ol>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-32446007375388920052010-06-07T16:18:00.005+05:302010-06-07T16:45:37.668+05:30How To Install Oracle On RHEL5?<div class="separator" style="clear: both; text-align: center;"></div><i>In this post we will come to know that how to install Oracle on RHEL5?</i><br />
<br />
The most popular database(DB) software known to man is Oracle.<br />
<br />
Step1 : Before installing Oracle it require following packages to be installed on the machine.<br />
1. compat-gcc<br />
2. compat-libstdc++<br />
3. compat-db<br />
4. make-3.79<br />
5. binutils-2.11.90.0.8-12<br />
6. gcc-3.2<br />
7. openmotif-2.2<br />
8. setarch-1.3<br />
<br />
All these packages are there in RHEL5 DVD so you just implement YUM server for easy installation of the above packages, other wise you have to install one by one with rpm command which will create a lot of dependencies.<br />
<br />
Step2 : Set kernel parameters by editing /etc/sysctl.conf or using sysctl -w command. As follows.<br />
<br />
Note : When ever you edit any files take backup of that files before editing those files.<br />
kernel.shmall = 268435456<br />
kernel.sem = 250 32000 100 128<br />
kernel.shmmax = 2147483647<br />
<br />
kernel.shmmni = 4096<br />
kernel.shmall = 2097152<br />
fs.file-max = 65536<br />
<br />
net.ipv4.ip_local_port_range = 1024 65000<br />
kernel.sem=250 32000 100 128<br />
net.core.rmem_default = 4194304<br />
<br />
net.core.rmem_max= 4194304<br />
net.core.wmem_default = 262144<br />
net.core.wmem_max = 262144<br />
<br />
#cp /etc/sysctl.conf /etc/sysctl.conf.org<br />
#vi /etc/sysctl.conf<br />
<br />
After entering the above values save and exit the file<br />
or use sysctl -w to edit kernel paramaters.<br />
Here I will just give one example how to edit sysctl.conf using sysctl -w command.<br />
<br />
Suppose I want to edit kernel.sem value just execute below command.<br />
#/sbin/sysctl -w kernel.sem=”250 32000 100 128”<br />
<br />
Step3 : After editing the file check if any issue is there or not by printing the sysctl content.<br />
#sysctl -p<br />
<br />
Note1 : Most part of the installation is done by oracle user. Untill and unless specified. Only at the end of installation we require to run two scripts which will set path variables.<br />
<br />
Note2 : If you are installing Oracle on remote machine we have to export the display to local machine or we have to take vnc to the remote machine.<br />
<br />
Step4 : Create Group name<br />
#groupadd dba<br />
<br />
Step5 : Creat oracle user with group equal to dba and home directory equal to /oracle<br />
#useradd -d /oracle -g dba oracle<br />
<br />
Installation :<br />
Step1 : Copy Oracle software to some folder. Change the directory to bin directory as showen below.<br />
cd /test/database<br />
<br />
Here you will find run Installer script which you should execute in oracle user and this should be done in GUI it self(so in order to execute this command you have to export display or take vnc to remote machine). Here in this document I have taken vnc connection to remote machine where I am installing OS. For those who don't have vnc export display as follows.<br />
<br />
Step2 : Exporting display, you have to execute this command as oracle user on remote machine where you are going to install oracle. And one more thing. Display should be exported to local machine where you are going to preform your installation.<br />
DISPLAY = system name/ip: 0.0<br />
Export DISPLAY<br />
<br />
Note : System name/ip in the above display command is the ip/system name of your local machine.<br />
Image.<br />
<br />
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<span style="font-family: verdana;">The above screen shot shows that you have to <b>run the script</b>. And this should be run only by </span><span style="font-family: verdana;"><b>root.</b><br />
<b><span style="color: #6633ff;">Step3 :</span> </b>Script to be run by root user.</span><span style="font-family: verdana;"><b>[root@test oracle]# /oracle/oracle/product/10.2.0/db_1/root.sh</b>Running Oracle10 root.sh script...</span><br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">The following environment variables are set as :</span></b></span><span style="font-family: verdana;"><b>ORACLE_OWNER= oracle<br />
<br />
ORACLE_HOME= /oracle/oracle/product/10.2.0/db_1</b><br />
<b><span style="color: #6633ff;">Enter the full pathname of the local bin directory :</span></b> <b>[/usr/local/bin]:</b><br />
</span><span style="font-family: verdana;"><b>Copying dbhome to /usr/local/bin ...<br />
<br />
Copying oraenv to /usr/local/bin ...<br />
<br />
Copying coraenv to /usr/local/bin ...</b><br />
Entries will be added to the <b>/etc/oratab</b> file as needed by </span><br />
<br />
<span style="font-family: verdana;">Database Configuration Assistant when a database is created<br />
<br />
Finished running generic part of <b>root.sh</b> script.<br />
<br />
Now product-specific root actions will be performed.<br />
<br />
Once run this as root go to oracle user <b>gui login</b> and say ok.. to exit..</span><br />
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<div><span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step4 :</span></strong> Now we have to check whether oracle is installed perfectly or not. We have to set <strong>ORACLE_HOME</strong> variable for <strong>oracle user .bash_profile</strong> file to export oracle bin directory as follows. So that we can <strong>start/stop</strong> oracle service with <strong>lsnrctl edit</strong> <strong>.bashrc</strong> file for the oracle user.</span><strong><span style="font-family: verdana;">$vi ~/.bash_profile<br />
<br />
PATH=$PATH:$HOME/bin<br />
<br />
export PATH</span></strong></div><strong></strong><div><strong><span style="font-family: verdana;">ORACLE_HOME=/oracle/oracle/product/10.2.0/db_1<br />
<br />
PATH=$PATH:$ORACLE_HOME/bin<br />
<br />
ORACLE_SID=orcl<br />
<br />
export PATH ORACLE_HOME ORACLE_SID </span></strong></div><div> </div><div><span style="font-family: verdana;">Save and exit the file. Once done we have to source the <strong>.bash_profile</strong> file. Then start the oracle service by using below command.<br />
<strong>[oracle@v-itig42 ~]$ lsnrctl start</strong><br />
</span><span style="font-family: verdana;"><strong>LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 05-MAR-2010 07:12:13<br />
<br />
Copyright (c) 1991, 2005, Oracle. All rights reserved.<br />
<br />
TNS-01106: Listener using listener name LISTENER has already been started</strong></span><span style="font-family: verdana;"><strong><span style="color: #6633ff;">For checking status.</span>[oracle@v-itig42 ~]$ lsnrctl status<br />
<br />
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 05-MAR-2010 07:12:01<br />
<br />
Copyright (c) 1991, 2005, Oracle. All rights reserved.<br />
<br />
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC3)))<br />
<br />
STATUS of the LISTENER<br />
<br />
------------------------<br />
<br />
Alias LISTENER<br />
<br />
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production<br />
<br />
Start Date 05-MAR-2010 06:10:20<br />
<br />
Uptime 0 days 1 hr. 1 min. 41 sec<br />
<br />
Trace Level off<br />
<br />
Security ON: Local OS Authentication<br />
<br />
SNMP OFF<br />
<br />
Listener Parameter File /oracle/oracle/product/10.2.0/db_1/network/admin/listener.ora<br />
<br />
Listener Log </strong></span></div><div><span style="font-family: verdana;"><strong></strong></span> </div><div><span style="font-family: verdana;"><strong>File /oracle/oracle/product/10.2.0/db_1/network/log/listener.log<br />
<br />
Listening Endpoints Summary...<br />
<br />
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC3)))<br />
<br />
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=v-itig42.persistent.co.in)(PORT=1523)))</strong><br />
<strong><span style="color: #6633ff;">Services Summary :</span></strong><br />
</span><span style="font-family: verdana;"><strong>Service "PLSExtProc" has 1 instance(s).<br />
<br />
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...<br />
Service "orcl" has 1 instance(s).<br />
<br />
Instance "orcl", status READY, has 1 handler(s) for this service...<br />
<br />
Service "orclXDB" has 1 instance(s).<br />
<br />
Instance "orcl", status READY, has 1 handler(s) for this service...<br />
<br />
Service "orcl_XPT" has 1 instance(s).<br />
<br />
Instance "orcl", status READY, has 1 handler(s) for this service...<br />
<br />
The command completed successfully</strong><br />
<strong><span style="color: #6633ff;">Step5 : </span></strong>Connect to Oracle <strong>sql database</strong>(and this should be done only as oracle user).<br />
</span><strong><span style="font-family: verdana;">[oracle@v-itig42 ~]$ sqlplus /nolog</span></strong></div><strong></strong><div><strong><span style="font-family: verdana;">SQL*Plus: Release 10.2.0.1.0 - Production on Fri Mar 5 07:22:56 2010<br />
<br />
Copyright (c) 1982, 2005, Oracle. All rights reserved.<br />
<br />
SQL><br />
<br />
This sql> prompt indicates you have sucessfully connected..<br />
<br />
SQL> conn sys@iasdb as sysdba</span></strong></div><span style="font-family: verdana;"><strong><span style="color: #6633ff;">Enter password :</span></strong>Connected to an idle instance.</span><span style="font-family: verdana;"><strong>SQL></strong>If the database is not started it will show the messages as connected to idle instance.<br />
</span><span style="font-family: verdana;"><strong><span style="color: #6633ff;">4. To start the database execute</span></strong>SQL> startup<br />
ORACLE instance started.<br />
Total System Global Area 289406976 bytes</span><span style="font-family: verdana;"><strong>Fixed Size 1301536 bytes<br />
Variable Size 262677472 bytes<br />
Database Buffers 25165824 bytes<br />
Redo Buffers 262144 bytes<br />
Database mounted.<br />
Database opened.<br />
SQL></strong></span><span style="font-family: verdana;"><strong><span style="color: #6633ff;">5. To check the name of the database</span>SQL> select name from v_$database;<br />
<br />
NAME<br />
---------<br />
IASDB</strong></span> <br />
<br />
<div class="separator" style="clear: both; text-align: center;"></div>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-27197726812356878872010-06-05T17:21:00.001+05:302010-06-05T17:21:57.225+05:30How to use the "lsof" commandProblem:<br />
You have a service that cannot bind to a port and the only message you have in log files is 'port already in use' or you have a need to find out exactly what processes are currently manipulating your server and what files they are affecting.<br />
<br />
Solution:<br />
Use the "lsof" command. lsof stands for LiSt Open Files. lsof can save you a lot of time and hassle if you are just checking on the status of your machine, but more importantly can give you valuable information and point you in the right direction when troubleshooting what exactly your machine is up to. Most are familiar with the command 'netstat' which provides a wealth of information about your network sockets. But the name implies exactly what it is good at: revealing information about your network sockets.<br />
lsof takes it a notch further. Linux treats most everything as a file. Sockets, devices, directories, etc, can all be viewed as files. When a process or application interacts with these files it has to "open" them if you will. Using this command you can delve into and see what your system is up to. Checking out the man pages on lsof (#man lsof) is a great start to see how to explore the current "goingson" of your box. Some examples are included to show you the power and wealth of information from this little lister.<br />
It's a great tool for administrators.<br />
<br />
Example:<br />
Show all open TCP files - Will return what service is running, who is running it, the process ID and the connections on all TCP ports:<br />
# lsof -i TCP<br />
<br />
Show open TCP files on port 80 - <br />
# lsof -i TCP:80 <br />
<br />
returns --> httpd2-wo 7010 wwwrun 3u IPv6 14787 TCP *:http (LISTEN)<br />
<br />
Show open LDAP connections on TCP -<br />
# lsof -i TCP:636<br />
<br />
Want to know what files are open by a particular command (substitute your command after the c, and yes you can abbreviate it matches the closest command)-<br />
# lsof -c mysq<br />
<br />
returns --> <br />
mysqld 991 admin cwd DIR 8,3 240 148743 /home/admin/novell/idm/mysql/data<br />
mysqld 991 admin rtd DIR 8,3 536 2 /<br />
mysqld 991 admin txt REG 8,3 5464060 148691 /home/admin/novell/idm/mysql/bin/mysqld<br />
mysqld 991 admin 0r CHR 1,3 41715 /dev/null<br />
mysqld 991 admin 1w REG 8,3 1250 149954 /home/admin/novell/idm/mysql/mysql.log<br />
mysqld 991 admin 2w REG 8,3 1250 149954 /home/admin/novell/idm/mysql/mysql.log<br />
mysqld 991 admin 3u IPv4 86990 TCP *:63306 (LISTEN)...<br />
<br />
Want to know what files are open by a particular device?<br />
#lsof /dev/cdrom<br />
<br />
returns --> bash 30904 admin cwd <br />
DIR 3,0 2048 63692 /media/cdrecorder/linux/user_application_provisioning<br />
You can change TCP to UDP and narrow down your requests to very specific items you <br />
<br />
want to target (i.e. is there an established connection from xyz.somesite.com?).<br />
# lsof -i TCP@192.168.0.2:636 (lists LDAP connections to my server) <br />
<br />
returns --> java 890 root 18u IPv6 8365030 <br />
TCP myserver.somecompany.com:42936->myserver.somecompany.com:ldaps (ESTABLISHED)<br />
ndsd 6520 root 262u IPv4 8390927 <br />
TCP myserver.somecompany.com:ldaps->myserver.somecompany.com:43123 (ESTABLISHED)<br />
<br />
List all open files belonging to PID (process ID) 11925:<br />
#lsof -p 11925<br />
<br />
List all open files belonging to processes owned by the user named "al":<br />
#lsof -u al<br />
<br />
List files open in the directory specified, but don't descend into sub-directories:<br />
#lsof +d '/Users/al'<br />
<br />
The next command lists files that are open in the directory specified, and also descends into sub-directories. Beware: this can take a very long time to run for large directory structures:<br />
#lsof +D '/Users/al'Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-57974552486098833522010-05-31T14:24:00.000+05:302010-05-31T14:24:38.353+05:30File Types In Linux"How many types of files are there and what are they?" This is a common question to every person who started learing Linux.<br />
<br />
Why is this so much important to know file types?<br />
Ans : This is because Linux will consider every thing as files. The Answer to this question is little bit confusing with different answers.<br />
<br />
Let me put it in this way to clarify. By default Unix have only 3 types of files..<br />
They are.<br />
<br />
1. Regular files<br />
2. Directory files<br />
3. Special files(This is the file type who is the culprit for different answers. This catagory is having 5 sub types.)<br />
<br />
So Total file types in Linux are 7. Remeber I am saying in linux there are only 7 types of files but if it comes to unix it is 8 types.<br />
<br />
Here are those files. And you can see the file type indication at leftmost part of “ls -l” command<br />
1. Regular file(-)<br />
2. Directory files(d)<br />
Special files<br />
3. Block file(b)<br />
4. Character device file(c)<br />
5. Named pipe file or just a pipe file(p)<br />
6. Symbolic link file(l)<br />
7. Socket file(s)<br />
<br />
For your information there is one more file called door files(D) which is present in Sun Solaris. A door is a special file for inter-process communication between a client and server(so total 8 types in Unix machines.).<br />
<br />
Regular files : These are the files are indicated with "-" in ls -l output. And these files are.1. Readable files or<br />
2. A binary files or<br />
3. Image files or<br />
4. Compressed files etc.<br />
<br />
How to create them?<br />
Ans : Use touch command.<br />
<br />
Example listing of regular files :-rw-r--r-- 1 krishna krishna 20986522 2010-01-31 13:48 test.wmv<br />
<br />
-rw-r--r-- 1 krishna krishna 173448 2010-01-30 21:20 Transformers-Teaser-Wallpaper-310.jpg<br />
<br />
-r-xr-xr-x 1 root root 135168 2009-12-12 19:14 VIDEO_TS.VOB<br />
<br />
-rw-r--r-- 1 krishna krishna 2113536 2009-12-01 13:32 Aditya 365 – Janavule.mp3<br />
<br />
-rwxrwxrwx 1 root root 168 2010-02-14 14:12 xyz.sh<br />
<br />
Directory files : These contains the name and location of files/folders/special files stored on a physical device. And this type of files will be in blue in color.<br />
<br />
How to create them?<br />
Ans : Use mkdir command<br />
<br />
Example listing of directories.drwxr-xr-x 2 surendra surendra 4096 2010-01-19 18:37 bin<br />
drwxr-xr-x 5 surendra surendra 4096 2010-02-15 18:46 Desktop<br />
drwxr-xr-x 2 surendra surendra 4096 2010-01-18 14:36 Documents<br />
drwxr-xr-x 2 surendra surendra 4096 2010-02-13 17:45 Downloads<br />
<br />
Block files : These files are hardware files most are present in /dev<br />
<br />
How to create them?<br />
Ans : Use fdisk command or create virtual partition.<br />
<br />
Example listing of Block files(for you to see these file, they are located in /dev).<br />
brw-rw---- 1 root disk 8, 1 2010-02-15 09:35 sda1<br />
brw-rw---- 1 root disk 8, 2 2010-02-15 09:35 sda2<br />
brw-rw---- 1 root disk 8, 5 2010-02-15 09:35 sda5<br />
<br />
Character devices files : Provide only a serial stream of input or output.<br />
<br />
Example listing of character files(located in /dev)<br />
crw-rw-rw- 1 root tty 5, 0 2010-02-15 16:52 tty<br />
crw--w---- 1 root root 4, 0 2010-02-15 09:35 tty0<br />
crw------- 1 root root 4, 1 2010-02-15 09:35 tty1<br />
<br />
Pipe files : The other sort of pipe is a “named” pipe, which is sometimes called a FIFO. FIFO stands for “First In, First Out” and refers to the property that the order of bytes going in is the same coming out. The “name” of a named pipe is actually a file name within the file system. --www.linux.com<br />
<br />
How to create them?Ans : Use mkfifo command.<br />
Example listing of pipe files<br />
prw-r----- 1 root root 0 2010-02-15 09:35 /dev/.initramfs/usplash_outfifo<br />
prw-r----- 1 root root 0 2010-02-15 09:35 /dev/.initramfs/usplash_fifo<br />
prw------- 1 syslog syslog 0 2010-02-15 15:38 /var/run/rsyslog/kmsg<br />
<br />
Sybolic link files : These are linked files to other files.<br />
<br />
How to create them?<br />
Ans : use ln command<br />
<br />
Example listing of linked files<br />
lrwxrwxrwx 1 root root 24 2010-02-15 09:35 sndstat -> /proc/asound/oss/sndstat<br />
lrwxrwxrwx 1 root root 15 2010-02-15 09:35 stderr -> /proc/self/fd/2<br />
lrwxrwxrwx 1 root root 15 2010-02-15 09:35 stdin -> /proc/self/fd/0<br />
lrwxrwxrwx 1 root root 15 2010-02-15 09:35 stdout -> /proc/self/fd/1<br />
<br />
Socket files : A socket file is used to pass information between applications for communication purpose<br />
<br />
How to create them?<br />
Ans : You can create a socket file using socket() system call avialable under<br />
<br />
Example<br />
int sockfd = socket(AF_INET, SOCK_STREAM, 0);<br />
You can refer to this socket file using the sockfd. This is same as the file descriptor, and you can use read(), write() system calls to read and write from the socket.<br />
<br />
Example listing of socket files.<br />
srw-rw-rw- 1 root root 0 2010-02-15 09:35 /dev/log<br />
srwxrwxrwx 1 root root 0 2010-02-15 10:07 /var/run/cups/cups.sock<br />
srwxrwxrwx 1 root root 0 2010-02-15 09:35 /var/run/samba/winbindd_privileged/pipe<br />
srwxrwxrwx 1 mysql mysql 0 2010-02-15 09:35 /var/run/mysqld/mysqld.sock<br />
<br />
A tip for you guys.<br />
How to find your desired type of a file ?Ans : Use find command with -type option.<br />
<br />
For example if you want to find socket file, just use below command.find / -type sIf you want to find linked file then how?Find / -type lRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-59714439781751931612010-05-28T15:22:00.000+05:302010-05-28T15:22:20.948+05:30How To Install YUM Server In Redhat(RHEL5)In linux you can install packages through many ways like.<br />
1. Through RPM,<br />
2. Through shell script<br />
3. Through source tar balls etc.<br />
<br />
YUM(Yellow-dog Updater and Modifier) is another and advanced way of installing the packages in Linux distros such as Red-hat, Fedora.<br />
<br />
In RHEL4 installing packages is a tedious process, some times its headache to install all the dependencies. So Red-hat people come with a solution to overcome this problem in most situations, i.e. nothing but YUM implementation which will resolve this dependency issue. Here I am going to present some basic way how to use YUM utility to install packages locally(there are so many ways to install packages from different sources such as ftp, http etc). You can get the full details about YUM in my google docs here. One Two Three Four Five Six Seven Eight Nine Ten<br />
<br />
Basic YUM implementation locally:<br />
Step1 : Copy the entire OS cd's content to Hard-drive as below.<br />
<br />
#cp -ar /media/cdrom/* /destinationfolder<br />
<br />
Example : #cp -ar /media/cdrom/* /var/ftp/pub<br />
<br />
Note :<br />
<br />
1. From second cd on words no need to copy entire cd contents to drive just copy Server content in to drive.<br />
<br />
2. Here please take destination folder as /var/ftp/pub so that we can implement FTP server to share our reposatory.<br />
<br />
3. If you have RHEL5 DVD then just continue with second step.<br />
<br />
#cp -ar /media/cdrom/Server/* /var/ftp/pub/Server/<br />
<br />
Step2 : Now change the directory to /destinationfolder/Server and install the createrepo package #rpm -ivh createrepo.0.4.4-2 --aid<br />
<br />
Step3 : Specify the reposatory location to YUM.<br />
<br />
#createrep -v /destinationfolder/<br />
<br />
Step4 : Create a file with repo as extention and specify the YUM details in /etc/yum.repos.d folder<br />
<br />
#cd /etc/yum.repos.d/ #vi testing.repo<br />
<br />
Note : The directory /etc/yum.repos.d/ contaions two .repo files which should be moved or removed to other directory, so that YUM server will check default .repo file it self. The new file which is created contains as follows<br />
<br />
[station1.example.com]<br />
<br />
comment ="test"<br />
<br />
baseurl=file:///destinationfolder<br />
<br />
gpgcheck=0<br />
<br />
After entring these entries save and exit from the file.<br />
<br />
Let me explain what acutally this four entries mean.<br />
<br />
[station1.example.com] ==>This informs what is the reposatory name.<br />
<br />
Comment ==> Its used to see the inforamtion about the repo.<br />
<br />
Baseurl ==> This is the server and path of the repo(here its a local repo so the base url is just a file:///<br />
<br />
For example you are creating YUM server through FTP then base url should be like this<br />
<br />
baseurl=ftp://station1.example.com/pub/Server gpgcheck ==> This is to check the authentication of the repository, which is disabled in this case.<br />
<br />
Local YUM repository is created, now you can install any package you want with yum command. In order to know more about YUM, Please see man pages for YUM.<br />
<br />
Basic YUM Server Reposatory through FTP server :<br />
So what about Installing packages remotly by using this reposatory?<br />
<br />
Let us see how to configure client to access this repository. Before doing client configuration we have to share this reposatory through FTP or HTTP.<br />
<br />
Step1 : Install vsftpd server on server<br />
<br />
#yum install vsftpd<br />
<br />
Step2 : Start the ftp service and on it<br />
<br />
#service vsftpd restart<br />
<br />
#chkconfig vsftpd on<br />
<br />
Thats it on the server side every thing configured properly, Now move on to client machine Confugration on client side :<br />
<br />
Step3 : Remove/move the local reposatory file from /etc/yum.repo.d/ folder to some other location #mv /etc/yum.repo.d/* /safe-loc/<br />
<br />
Step4 : Create server.repo file in /etc/yum.repo.d/ with following contents [station1.example.com]<br />
<br />
comment ="test"<br />
<br />
baseurl=ftp://station1.example.com/pub/Server<br />
<br />
gpgcheck=0<br />
<br />
Save and exit the file Now start using yum to install packages, as follows.<br />
<br />
#yum install packagename<br />
<br />
Example : #yum install httpd<br />
<br />
To uninstall a package through YUM<br />
<br />
#yum remove httpd<br />
<br />
To see the info of a package<br />
<br />
#yum info packagename<br />
<br />
To see the package is already installed or not<br />
<br />
#rpm -qa grep packagenameRaveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-20011481796112571702010-05-27T21:46:00.000+05:302010-05-27T21:46:30.808+05:30IPTables In Linux Explained<style>
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<div class="MsoNormal"><b>IPtables (Netfilter) :<br />
IPtables</b> is the default <b>firewall</b> for <b>Linux</b>. Its a vast subject which can not be covered in one post. I will try to give as much info as possible at the same time not to make it complex. Lets start with basics.<br />
<br />
<b>What is a firewall?<br />
Ans :</b> A firewall is a part of a computer system or network that is designed to <b>block</b> <b>unauthorized</b> access while permitting authorized communications <b>--Wikipedia.org</b><br />
A IPtables firewall contains tables which in tern contains rules to <b>block or unblock</b> a <b>perticular communication.<br />
</b><br />
<b>A table can be a<br />
1.Filter table -- Used to filter packets</b>.<br />
<b>2.NAT(Network Adress Translator) table -- Used for NATing of source and destination ip address(Used for sharing internet)<br />
3.Mangale table -- Its a combination of Filter and NAT tables</b><br />
<b>4.RAW table -- Used to for marking packets not to track.</b><br />
<br />
<b>1.Filter table :</b> <b>This is the default table which contaions three chains.<br />
a.INPUT Chain :</b> <b>To apply a rule on packets which are coming into the system</b>.<br />
<b>b.FORWARD Chain :</b> <b>For packets being routed through the system<br />
c.OUTPUT Chain :</b> <b>For packets locally generated which are going out from the system.<br />
</b><br />
<b>2.NAT table :</b> <b>This table is having three chains.<br />
a.PREROUTING Chain : For altering the packets as soon as they come in to the system</b><br />
<b>b.OUTPUT Chain :</b> <b>For packets locally generated which are going out from the system.<br />
c.POSTROUTING Chain : For altering the packets which are about to go out from the system.<br />
</b><br />
<b>3.MANGLE Table :</b> This is a combination of <b>forwording, security and translating packets</b>. We can say this one as<b> hybride table</b> of both <b>FILTER and NAT table</b>. This contains <b>five chains</b>.<br />
<b>1.PREROUTING<br />
2.OUTPUT<br />
3.INPUT<br />
4.FORWARD<br />
5.POSTROUTING<br />
</b><br />
<b>4.RAW Table :</b> <b>Contaions two chains</b>.<br />
<b>1.PREROUTING<br />
2.OUTPUT<br />
</b><br />
<b>So lets go to the configuration of IPTables :</b> In the following examples I will be taking <b>FILTER Table</b> to explain.<br />
<br />
<b>Example1 :</b> To <b>see/list</b> what are the rules configured in the system<br />
<b>#iptables -L -t filter</b><br />
This will list all the rules which are created under <b>FILTER Table</b><br />
<b>-L</b> for <b>listing<br />
-t</b> for specifying <b>table type</b>(here table type is <b>FILTER</b>)<br />
<b>#iptables -L -t nat<br />
#iptables -L -t mangle<br />
#iptables -L -t raw<br />
</b>These three iptables are<b> self explantory</b>.<br />
<br />
<b>Example2 : </b>Inserting a rule in to a table<br />
<b>#iptables -I INPUT 2 -t filter -s 192.168.0.1/24 -j DROP<br />
</b><br />
<b>-I</b> for inserting a rule in to a table, so in this example I am inserting an <b>INPUT rule</b> and position <b>two(2)</b>. So depending on number we can insert a rule in any position of a table.<br />
<b>-s</b> for specifying the <b>source of this packet</b>. This source may be a<b> IP adress/netmaks or a</b> <b>network-adress/netmask. -j</b> for specifying what to do on the <b>target packet</b>. Here we specified to drop any packet which comes from <b>192.168.0.1</b>, so there is no reply to the source about the <b>packet status</b>. With<b> -j</b> these are the options we can specify.<br />
<br />
<b>1.DROP --</b> For droping a packet with out informing the status of this packets to the <b>source/destination</b>. So there is no inforamtion to source/destination about the status of the packet.<br />
<b>2.REJECT --</b> Will reject the packets and information is sent to source/destantion about the rejection of packet by the server.<br />
<b>3.ACCEPT --</b> Will accpet for the delevery of the packet to designated destination.<br />
<b>4.QUEUE --</b> this is used to queue the packets to user space. Let me put in this way.. this is just to forward all the packets to some other utility(such as SNORT) which take care of packet filtering.<br />
<br />
<b>What actually this rule is specifying?<br />
Ans :</b> This rule specifies its an input rule at second position of the filter table to drop all the communication which is originating from <b>192.168.0.1<br />
</b><br />
<b>Example3 : </b>To append a rule in to a table<br />
<b>#iptables -A INPUT -t filter -d 132.160.0.0/16 -j REJECT<br />
-A</b> for <b>append a rule</b> at the end of a table<br />
<b>-d</b> for specifying the destination of this packet. This destination may be a <b>IP adress/netmaks or a network-adress/netmask.<br />
</b><br />
<b>What actually this rule is specifing?<br />
Ans :</b> This rule specifies its an input rule which is appended to a filter table to reject all the packets which are destinated to <b>132.160.0.0 network</b>.<br />
<br />
<b>Example4 : </b>Deleting perticular rule<br />
<b>#iptables -D INPUT 3 -t filter<br />
-D</b> for specifing deletion of a rule<br />
<br />
<b>What actually this rule is specifing?<br />
Ans :</b> This rule specifies delete an input rule which is in third position of the filter table.<br />
<br />
<b>Example5 : Flushing/removeing</b> entire table<br />
<b>#iptables -F -t filter</b><br />
<b>-F</b> for specifing to flush/remove a table from iptables configuration.<br />
<br />
<b>What actually this rule is specifing?<br />
Ans :</b> This rule specifies <b>flush/remove</b> all the rules which are in filter table.<br />
<br />
<b>From here we will see how to block a<br />
1.Blocking network<br />
2.Blocking an ip address</b><br />
<b>3.Blockign Entire protocal stack</b><br />
<b>4.Blocking protocol<br />
5.Blocking port(source port or Destination port)</b><br />
<br />
<b>Example6 : </b>Blocking(Rejecting) a <b>perticular network</b><br />
<b>#iptables -A INPUT -t filter -s 192.168.0.0/24 -j REJECT<br />
</b><br />
<b>What actually this rule do?<br />
Ans :</b> This rule specifies under filter table please <b>block(REJECT)</b> all traffic from<b> 192.168.0.0</b> <b>to 192.168.0.225</b> ip addresses, nothing but entire <b>192.168.0.0/24 network</b>.<br />
<br />
<b>Example7 : </b>Blocking(Rejecting) a <b>perticular ip address<br />
#iptables -A INPUT -t filter -s 123.45.0.1 -j REJECT<br />
</b><br />
<b>What acutally this rule do?<br />
Ans :</b> This rule specifies under filter table please<b> block(REJECT)</b> all the traffic originating from <b>192.168.0.1 ip address</b>.<br />
<br />
<b>Example8 : </b>Blocking(Rejecting) <b>entire protocol stack</b>.<br />
<b>#iptables -A INPUt -t filter -s 192.168.0.1 -p all -j REJECT<br />
</b><br />
<b>What acutally this rule do?<br />
Ans :</b> This rule specifies under filter table please block all the traffic with all the protocols<b>(such</b> <b>as TCP,UDP,ICMP etc)</b> which are origenating from <b>192.168.0.1 ip address.</b><br />
<br />
<b>Example9 : </b>Blocking a<b> perticular protocol<br />
#iptables -A INPUT -t filter -s 192.168.0.1 -p tcp -j REJECT</b><br />
<br />
<b>What acutally this rule do?<br />
Ans :</b> This rule specifies under<b> filter table</b> please block all the traffic which uses<b> tcp protocol</b> to communicate from <b>192.168.0.1 ip address.<br />
<br />
Example10 : </b>Blocking perticular <b>destination port<br />
#iptables -A INPUT -t filter -s 192.168.0.1 -p tcp -dport 21 -s 192.168.0.1 -j REJECT<br />
</b><br />
<b>What acutally this rule do?<br />
Ans :</b> This rule specifies under filter table please block all the <b>FTP(port no:21)</b> traffic orignating from <b>192.168.0.1 ip address.</b><br />
<br />
<b>Example11 : </b>Blocking perticular<b> source port<br />
#iptables -A OUTPUT -t filter -d 192.168.0.1 -p udp -sport 1929 -j REJECT<br />
</b><br />
<b>What acutally this rule do?<br />
Ans :</b> This rule specifies under <b>filter table</b> please block all the traffic which is origanting from server through <b>port 1929</b> destinated to <b>192.168.0.1 </b>to be blocked.<br />
<br />
<b>5.Saving iptable :<br />
#service iptables save</b><br />
<br />
<b>Why we actually require to save iptables?<br />
Ans :</b> Most of the services in linux have their own configuration files so same will be applicable for the iptables. So when ever we do iptables save the configuration by default will be saved to <b>/etc/sysconfig/iptables<br />
</b><br />
<b>6.Satrting iptables :<br />
#service iptables start<br />
</b><br />
<b>7.Restarting iptables :<br />
#service iptables restart<br />
</b><br />
<b>Checking wether iptables is running or not<br />
#service iptables status</b></div>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-79116744229811954352010-05-23T02:34:00.000+05:302010-05-23T02:34:09.939+05:30SERVER CONFIGURATION FILE SYNTAX CHECKING COMMANDSBasically configuring servers in <b>Linux/*nix</b> include editing of configuration files and saving them. Once editing the files if any syntax error is there and when we start the service they will show some wearied errors which we cant resolve.<br />
For counter attacking this type of issues for each service there will be one command to check this syntax errors before starting of the <b>service/server</b>, I have collected these commands from my experience and from some of my friends. Please feel free to comment on this if you know some other commands so that I will update my post.<br />
<br />
<span style="color: #6633ff;"><span style="font-family: Courier New;"><b>SSHD </b></span><b>server check for syntax error</b></span><br />
<span style="font-family: Courier New;">=========================<br />
</span><span style="color: black; font-family: Courier New;"><b>sshd -t<br />
</b></span><br />
<b><span style="color: #6633ff;">FTP server check for syntax error</span><br />
</b>=========================<br />
<b>#vsftpd<br />
</b><br />
<b><span style="color: #6633ff;">DNS server check for syntax error</span></b><br />
==========================<br />
<br />
For checking syntax errors in main configuration file..<br />
<b>#named-checkconf main-config-file</b><br />
<br />
<b><span style="color: #6633ff;">Example:<br />
</span>#named-checkconf named.conf</b><br />
Syntax OK<br />
<br />
<b>#named-checkzone domain zonefile-loc<br />
</b><br />
<span style="color: #6633ff;"><b>Example:</b></span><br />
<b><span style="color: black;">#named-checkzone example.com /var/named/chroot/var/named/exaple-zone.frd</span></b><br />
<br />
<b><span style="color: #6633ff;">SAMBA server check for syntax error</span><br />
</b>=============================<br />
<b>#testparm</b><br />
<b><br />
<span style="color: #6633ff;">APACHE server check for syntax error</span><br />
</b>=============================<br />
<b><span style="color: black;">httpd -t<br />
</span></b><br />
<b><span style="color: #6633ff;">For virtual hosts<br />
</span></b><br />
<span style="font-family: Courier New;"><b>httpd -t -D DUMP_VHOSTS</b><br />
<br />
</span><b><span style="color: #6633ff;">TCP Wrappers check for syntax error</span></b><br />
============================<br />
<b><span style="font-family: Courier New;">tcpdchk<br />
tcpdchk -v</span><br />
</b><br />
<span style="color: #6633ff;"><b>Postfox server check for syntax error</b><br />
</span>============================<br />
<span style="font-family: Courier New;"><b>postfix check<br />
</b></span><span style="font-family: Courier New;"><b>postfix -vv<br />
</b><br />
</span><span style="font-family: Courier New;"><br />
<b><span style="color: #6633ff;">LIGHTTPD </span></b></span><span style="color: #6633ff;"><b>server check for syntax error</b><br />
</span><span style="font-family: Courier New;">=============================<br />
</span><span style="font-family: Courier New;"><b>lighttpd -t -f /etc/lighttpd/lighttpd.conf</b><br />
<br />
<b><span style="color: #6633ff;">Squid </span></b></span><b><span style="color: #6633ff;">server check for syntax error</span></b><br />
<span style="font-family: Courier New;">==========================<br />
</span><span style="font-family: Courier New;"><b>squid -k check<br />
squid -k parse</b></span><br />
<br />
<div style="color: blue;"><span style="font-family: Courier New;"><b>NAGIOS server check for syntax error</b></span></div><span style="font-family: Courier New;"><b> ====================================</b></span><br />
<span style="font-family: arial; font-size: small;"><b>/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg</b></span>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-66502394401762023932010-05-23T02:24:00.001+05:302010-05-23T02:32:21.218+05:30Mail system explained<table border="1" bordercolor="#000000" cellpadding="4" cellspacing="0" height="352" style="width: 417px;"><tbody>
<tr valign="top"> <td width="8%">Sl.no</td> <td width="19%">Agent</td> <td width="72%">Description from Wikipedia</td> </tr>
<tr valign="top"> <td width="8%">1</td> <td width="19%">Mail User Agent(<a class="zem_slink" href="http://en.wikipedia.org/wiki/E-mail_client" rel="wikipedia" title="E-mail client">MUA</a>)</td> <td width="72%">An <b>e-mail client</b> (also <b>mail user agent</b> (MUA) or <b>e-mail reader</b>) is a frontend <a href="http://en.wikipedia.org/wiki/Computer_program">computer program</a> used to manage <a href="http://en.wikipedia.org/wiki/E-mail">e-mail</a>.</td> </tr>
<tr valign="top"> <td width="8%">2</td> <td width="19%">Mail Transfer Agent(MTA)</td> <td width="72%">A <b><a class="zem_slink" href="http://en.wikipedia.org/wiki/Mail_transfer_agent" rel="wikipedia" title="Mail transfer agent">mail transfer agent</a></b> (MTA) (also called a <i>mail transport agent</i>, <i>message transfer agent</i>, or <i>smtpd</i> (short for <a href="http://en.wikipedia.org/wiki/SMTP">SMTP</a> <a href="http://en.wikipedia.org/wiki/Daemon_%28computer_software%29">daemon</a>), is a <a href="http://en.wikipedia.org/wiki/Computer_program">computer program</a> or <a href="http://en.wikipedia.org/wiki/Software_agent">software agent</a> that transfers <a href="http://en.wikipedia.org/wiki/Electronic_mail">electronic mail</a> messages from one computer to another.The term <b>mail server</b> is also used to mean a <a href="http://en.wikipedia.org/wiki/Computer">computer</a> acting as an MTA that is running the appropriate software. The term <b>mail exchanger</b> (MX), in the context of the <a href="http://en.wikipedia.org/wiki/Domain_Name_System">Domain Name System</a> formally refers to an <a href="http://en.wikipedia.org/wiki/IP_address">IP address</a> assigned to a device hosting a <i>mail server</i>, and by extension also indicates the server itself.</td> </tr>
<tr valign="top"> <td width="8%">3</td> <td width="19%">Mail Delivery Agent(<a class="zem_slink" href="http://en.wikipedia.org/wiki/Mail_delivery_agent" rel="wikipedia" title="Mail delivery agent">MDA</a>)</td> <td width="72%">A <b>Mail delivery agent</b> (<b>MDA</b>) is <a href="http://en.wikipedia.org/wiki/Software">software</a> that delivers <a href="http://en.wikipedia.org/wiki/E-mail">e-mail</a> messages after they have been accepted on a server, distributing them to recipients' individual <a href="http://en.wikipedia.org/wiki/Email_Mailbox">mailboxes</a>.</td> </tr>
<tr valign="top"> <td width="8%">4</td> <td width="19%">Mail Access Agent(MAA)</td> <td width="72%">A way of remotely accessing a mail-spool, for example <a href="http://www.wlug.org.nz/POP3">POP3</a> or <a href="http://www.wlug.org.nz/IMAP">IMAP</a>.</td> </tr>
</tbody></table><br />
A short description how a Mail communication will work:<br />
<br />
Here I will take an example how a mail from ravi(ravi@ravi.com) to his friend satish(satish@satish.com) will be delivered.<br />
<u><b><br />
</b></u><br />
<u><b>Step1:</b></u>first ravi has to write a e-mail by specifying who is the receiver of this mail(in this case it is satish).So things like composing <a class="zem_slink" href="http://en.wikipedia.org/wiki/Mail" rel="wikipedia" title="Mail">mails</a> will be taken care by MUA.this MUA( A mail client such as MS outlook,Thunder-bird etc) knows how to deals with mail transportation,Once ravi press send and receive in e-mail client,MUA initiate talk with its MTA(A SMTP server which is listening on 25 port for receiving mails).<br />
<br />
Step2:Once MTA(such as SEND-MAIL,Qmail,Post-Fix etc) get the request from MUA, MTA will take care of all the activity such as communicate with MUA and fetching mails from MUA etc.<br />
<br />
Step3:Once MTA got the mails from MUA, it has to segregate all the mails according to different domains. for example ravi is sending 4 mails(one to satish@satish.com, one to prasad@satish.com, one to prahu@yahoo.com and one to raja@gmail.com) this MTA will segregate these 4 mails in to 3 pools(satish and prasad mails will be pooled in same pool so that they will be delivered to satish.com,prahu mail will be pooled to yahoo.com and raja's mail will be pooled to gmail.com)<br />
<br />
Step4:Once the segregation has happened MDA(nothing but again its a send-mail which will take care of )will delivered these mails to respective MAA(such as <a class="zem_slink" href="http://en.wikipedia.org/wiki/Dovecot_%28software%29" rel="wikipedia" title="Dovecot (software)">Dovecot</a> ).<br />
<br />
Step5:Now suppose mail has delivered to their respective MAA's. Once the mail reaches, MAA will try to segregate the mails according to users(here for example satish and prasad mails has arrived to satish.com MAA) then this MAA will put the mails of satish and prasad in respective mails boxes in a Mail Store(MS) as shown in Figure.<br />
<br />
Step6:Now MUA will come in to picture in downloading these mails from MAA, so MUA will communicate with MAA and download the mails to MUA(like outlook and thunder-bird).Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com1tag:blogger.com,1999:blog-8838044055487075958.post-58522425982836746702010-05-22T17:46:00.002+05:302010-05-22T17:46:34.792+05:30How To Install YUM Server In Redhat(RHEL5)<span style="font-family: verdana;">In linux you can install packages through many ways like.<br />
<strong>1.</strong> Through RPM,<br />
<strong>2.</strong> Through shell script<br />
<strong>3.</strong> Through source tar balls etc. </span><br />
<span style="font-family: verdana;"><strong>YUM(Yellow-dog Updater and Modifier)</strong> is another and advanced way of installing the packages in Linux distros such as <strong>Red-hat, Fedora</strong>. </span><br />
<span style="font-family: verdana;">In RHEL4 installing packages is a tedious process, some times its headache to install all the dependencies. So Red-hat people come with a solution to overcome this problem in most situations, i.e. nothing but <strong>YUM implementation</strong> <strong>which will resolve this dependency issue</strong>. Here I am going to present some basic way how to use <strong>YUM utility</strong> to install packages locally(there are so many ways to install packages from different sources such as ftp, http etc). You can get the full details about YUM in my google docs here. </span><a href="http://docs.google.com/Doc?id=dggtw8pr_2692ndtkt"><span style="color: #6633ff; font-family: verdana;"><strong>One</strong></span></a><span style="color: #6633ff; font-family: verdana;"><strong> </strong></span><a href="http://docs.google.com/Doc?id=dggtw8pr_285gd6w83"><span style="color: #6633ff; font-family: verdana;"><strong>Two</strong></span></a><span style="color: #6633ff; font-family: verdana;"><strong> </strong></span><a href="http://docs.google.com/Doc?id=dggtw8pr_284fk257q"><span style="color: #6633ff; font-family: verdana;"><strong>Three</strong></span></a><span style="color: #6633ff; font-family: verdana;"><strong> </strong></span><a href="http://docs.google.com/Doc?id=dggtw8pr_284fk257q"><span style="color: #6633ff; font-family: verdana;"><strong>Four</strong></span></a><span style="color: #6633ff; font-family: verdana;"><strong> </strong></span><a href="http://docs.google.com/Doc?id=dggtw8pr_282gk552t"><span style="color: #6633ff; font-family: verdana;"><strong>Five</strong></span></a><span style="color: #6633ff; font-family: verdana;"><strong> </strong></span><a href="http://docs.google.com/Doc?id=dggtw8pr_281872jkj"><strong><span style="color: #6633ff; font-family: verdana;">Six</span></strong></a><strong><span style="color: #6633ff; font-family: verdana;"> </span></strong><a href="http://docs.google.com/Doc?id=dggtw8pr_280dgddnp"><strong><span style="color: #6633ff; font-family: verdana;">Seven</span></strong></a><strong><span style="color: #6633ff; font-family: verdana;"> </span></strong><a href="http://docs.google.com/Doc?id=dggtw8pr_279g6cmjj"><strong><span style="color: #6633ff; font-family: verdana;">Eight</span></strong></a><strong><span style="color: #6633ff; font-family: verdana;"> </span></strong><a href="http://docs.google.com/Doc?id=dggtw8pr_273hdrfg2"><strong><span style="color: #6633ff; font-family: verdana;">Nine</span></strong></a><strong><span style="color: #6633ff; font-family: verdana;"> </span></strong><a href="http://docs.google.com/Doc?id=dggtw8pr_272fdxwpw"><strong><span style="color: #6633ff; font-family: verdana;">Ten</span></strong></a><strong><span style="color: #6633ff; font-family: verdana;"> </span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Basic YUM implementation locally:</span><span style="color: #6633ff;">Step1 :</span></strong> Copy the entire OS cd's content to Hard-drive as below. </span><br />
<strong><span style="font-family: verdana;">#cp -ar /media/cdrom/* /destinationfolder </span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Example :</span></strong> <strong>#cp -ar /media/cdrom/* /var/ftp/pub </strong></span><br />
<strong><span style="color: #6633ff; font-family: verdana;">Note : </span></strong><br />
<span style="font-family: verdana;"><strong>1.</strong> From second cd on words no need to copy entire cd contents to drive just copy <strong>Server </strong>content in to drive. </span><br />
<span style="font-family: verdana;"><strong>2.</strong> Here please take destination folder as <strong>/var/ftp/pub</strong> so that we can implement <strong>FTP server</strong> to share our reposatory.</span><br />
<span style="font-family: verdana;"><strong>3.</strong> If you have RHEL5 DVD then just continue with second step.</span><br />
<strong><span style="font-family: verdana;">#cp -ar /media/cdrom/Server/* /var/ftp/pub/Server/ </span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step2 : </span></strong>Now change the directory to <strong>/destinationfolder/Server</strong> and install the <strong>createrepo package #rpm -ivh createrepo.0.4.4-2 --aid </strong></span><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step3 : </span></strong>Specify the reposatory location to <strong>YUM.</strong></span><br />
<strong><span style="font-family: verdana;">#createrep -v /destinationfolder/ </span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step4 : </span></strong>Create a file with <strong>repo</strong> <strong>as extention</strong> and specify the YUM details in <strong>/etc/yum.repos.d</strong> folder </span><br />
<strong><span style="font-family: verdana;">#cd /etc/yum.repos.d/ #vi testing.repo </span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Note :</span></strong> The directory <strong>/etc/yum.repos.d/</strong> contaions two <strong>.repo files</strong> which should be moved or removed to other directory, so that YUM server will check default <strong>.repo file</strong> it self. The new file which is created contains as follows</span><br />
<span style="font-family: verdana;">[<strong>station1.example.com] </strong></span><br />
<strong><span style="font-family: verdana;">comment ="test" </span></strong><br />
<strong><span style="font-family: verdana;">baseurl=file:///destinationfolder </span></strong><br />
<strong><span style="font-family: verdana;">gpgcheck=0 </span></strong><br />
<span style="font-family: verdana;">After entring these entries <strong>save and exit</strong> from the file.</span><br />
<span style="font-family: verdana;">Let me explain what acutally this four entries mean.</span><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">[station1.example.com]</span></strong> <strong><span style="color: #6633ff;">==></span>This informs what is the reposatory name.</strong></span><br />
<strong><span style="font-family: verdana;"><span style="color: #6633ff;">Comment </span><span style="color: #6633ff;">==> </span>Its used to see the inforamtion about the repo.</span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Baseurl</span></strong> <strong><span style="color: #6633ff;">==> </span>This is the server and path of the repo(here its a local repo so the base url is just a </strong></span><a href="file:///"><span style="color: #6633ff; font-family: verdana;"><strong>file:///</strong></span></a><span style="color: #6633ff; font-family: verdana;"><strong> </strong></span><br />
<span style="font-family: verdana;">For example you are creating <strong>YUM server</strong> through <strong>FTP</strong> then base url should be like this <strong></strong></span><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">baseurl=ftp://station1.example.com/pub/Server gpgcheck</span></strong> <strong><span style="color: #6633ff;">==></span></strong> <strong>This is to check the authentication of the repository, which is disabled in this case.</strong></span><br />
<span style="font-family: verdana;">Local YUM repository is created, now you can install any package you want with yum command. In order to know more about YUM, Please see man pages for YUM. </span><br />
<strong><span style="font-family: verdana;"><span style="color: #6633ff;">Basic YUM Server Reposatory through FTP server :</span><span style="color: #6633ff;">So what about Installing packages remotly by using this reposatory? </span></span></strong><br />
<span style="font-family: verdana;">Let us see how to configure client to access this repository. Before doing client configuration we have to share this reposatory through <strong>FTP or HTTP</strong>. </span><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step1 : </span></strong>Install <strong>vsftpd</strong> server on server </span><br />
<strong><span style="font-family: verdana;">#yum install vsftpd </span></strong><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step2 : </span></strong>Start the ftp service and on it </span><br />
<strong><span style="font-family: verdana;">#service vsftpd restart </span></strong><br />
<span style="font-family: verdana;"><strong>#chkconfig vsftpd on</strong> </span><br />
<span style="font-family: verdana;">Thats it on the server side every thing configured properly, Now move on to client machine Confugration on client side :</span><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step3 :</span></strong> Remove/move the local reposatory file from <strong>/etc/yum.repo.d/</strong> folder to some other location <strong>#mv /etc/yum.repo.d/* /safe-loc/</strong> </span><br />
<span style="font-family: verdana;"><strong><span style="color: #6633ff;">Step4 : </span></strong>Create<strong> server.repo</strong> file in <strong>/etc/yum.repo.d/</strong> with following contents <strong>[station1.example.com] </strong></span><br />
<strong><span style="font-family: verdana;">comment ="test" </span></strong><br />
<strong><span style="font-family: verdana;">baseurl=ftp://station1.example.com/pub/Server </span></strong><br />
<strong><span style="font-family: verdana;">gpgcheck=0 </span></strong><br />
<span style="font-family: verdana;"><strong>Save and exit</strong> the file Now start using yum to install packages, as follows.</span><br />
<span style="font-family: verdana;"><strong>#yum install packagename</strong> </span><br />
<span style="font-family: verdana;"><span style="color: #6633ff;"><strong>Example :</strong></span> <strong>#yum install httpd </strong></span><br />
<strong><span style="color: #6633ff; font-family: verdana;">To uninstall a package through YUM </span></strong><br />
<span style="font-family: verdana;"><strong>#yum remove httpd</strong> </span><br />
<strong><span style="color: #6633ff; font-family: verdana;">To see the info of a package </span></strong><br />
<span style="color: black;"><span style="font-family: verdana;"><strong>#yum info packagename</strong> </span></span><br />
<strong><span style="color: #6633ff; font-family: verdana;">To see the package is already installed or not</span></strong><br />
<strong><span style="font-family: verdana;">#rpm -qa grep packagename</span></strong>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-65804025048977324332010-05-22T16:18:00.002+05:302010-05-22T16:18:31.427+05:30How To Take The Backup Of MBR(Master Boot Recorder)<span style="color: #6633ff; font-family: verdana;"><b>1.How to take the backup and restore MBR? </b></span><span style="font-family: verdana;"><b><span style="color: #6633ff;">Why do you require to take the backup of your MBR?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="color: #6633ff;">Ans :</span></b> <b>MBR (Master Boot Recorder)</b> is a vital part of your hard disk which contains booting information, without it its difficult to boot the system. Suppose you have windows and Linux duel boot on your machine and as you know windows is more prone to virus attacks. So it’s always better to backup your MBR to be in safe place.</span><br />
<span style="font-family: verdana;"><br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="font-family: verdana;"><b><span style="color: #6633ff;">2. How to take backup of your MBR?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="color: #6633ff;">Ans :</span></b> Using <b>dd command</b> (<b>d</b>ataset <b>d</b>efinition). Here are the steps to take backup of you<b> MBR</b> and keep it in safe place to restore your system if it get corrupted.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>#dd if=/dev/hdx of=/safe/location bs=512 count=1</b></span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">Let me explain the above command how it will work.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span>“If”</b> in the command is nothing but to specify Input File, here we are specifying our input file as hard disk(if the hard disk is <b>/dev/hda</b> it is primary master, so for general purpose I given <b>'x'</b>). <b>“of”</b> in the command is nothing but to specify Output File, here we are specifying our output file as <b>/safe/location. </b>Then <b>“bs”</b> this is nothing but<b> block size</b> to write in to hard disk. And then <b>“count”</b> nothing but how many times you want to write date this many <b>block sizes</b>. Here in this example <b>count=1</b> that means first <b>512 bytes</b> of the hard disk is copied to the specified location.</span><br />
<br />
<b><span style="font-family: verdana;"><span style="color: #6633ff;">3.How to restore the MBR?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span>#dd if=/safe/location of=/dev/hdx bs=512 count=1</span></b><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">Note :</span></b> Please replace <b>“hdx”</b> with your <b>hard disk</b> name.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> This is bit complex, </span><span style="font-family: verdana;"><b>Is there any other way to restore MBR?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </b>Yes, if you have Linux or Windows bootable CD, we can easily restore your MBR if you forgot to take backup(And this method is very much easy to do restoration of MBR when compared to previous method).</span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">Method1 : </span></b>With Redhat Linux bootable CD.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> For this you have to boot your system to <b>rescue mode</b>, then mount your file system to rescue mode and execute below command to restore your MBR<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>#grub-install /dev/hdx</b></span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">Note :</span></b> Please replace <b>hdx </b>with your <b>hard disk</b> name. After that you just reboot your system. Your system will be live and working.</span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">Method2 : </span></b>With Windows XP bootable CD.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b><span style="color: #6633ff;">Step1 : </span></b>Boot the system with XP bootable cd<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b><span style="color: #6633ff;">Step2 : </span></b>Press <b>f8</b> to go to repair mode in Windows<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b><span style="color: #6633ff;">Step3 : </span></b>Once you got the <b>c </b>drive prompt just type below command<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="font-family: verdana;"><b>Fixmbr<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </b>This command will fix the <b>MBR record</b>.</span><br />
<br />
<span style="font-size: 130%;"><b><span style="font-family: verdana;"><span style="color: #6633ff;">Some FAQ’s</span><br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span></b></span><span style="font-family: verdana;"><b><span style="color: #6633ff;">1. What is the MBR size?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="color: #6633ff;">Ans :</span></b> MBR size is just <b>512 bytes</b>.</span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">2.What MBR conations?</span><br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <span style="color: #6633ff;">Ans :</span></b> Mainly MBR can be divided in two parts<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>a.</b>Boot loader information block(which is of <b>448 bytes</b>)<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>b.</b> Partition table information(which is of just<b> 64 bytes</b>)</span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">3.How many partition we can create on a hard disk?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="color: #6633ff;">Ans :</span></b> Totally we can create <b>four partitions</b> as below<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>a.</b>Four primary parathions.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>b.T</b>hree primary and one extended partition.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>c.T</b>wo primary and one extended parathion.<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> <b>d.O</b>ne primary and one extended parathion.</span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">Note :</span></b> In extended parathion we can create logical partitions up to <b>24</b> in number.</span><br />
<br />
<span style="font-family: verdana;"><b><span style="color: #6633ff;">4.Why we cannot create more then 4 partition as mention above?<br https:="" p1="" redirect.srv="" saorsbzq="" server2.kproxy.com="" servlet="" snop="" sruj="" /> </span><span style="color: #6633ff;">Ans :</span></b> In MBR, the partition table info is just stored in <b>64 bytes</b>, and one parathion information to store in MBR requires <b>16 bytes</b> of space. So at most you can create only <b>4 partitions</b> as mention above.</span>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-81764693357469217902010-05-22T16:17:00.003+05:302010-05-22T16:17:50.059+05:30Linux Virtual File System<span style="font-family: verdana;">Can we create a file system <b>(i.e. formatting a drive/partition)</b> with in a file system?<br />
Looks little bit strange is int it? So follow me I will show you how to create a virtual partition and file system within a partition.<br />
<br />
<b><span style="color: #6633ff;">Step1 :</span></b> Create a empty file with <b><a class="zem_slink" href="http://en.wikipedia.org/wiki//dev/zero" rel="wikipedia" title="/dev/zero">/dev/zero</a></b> with size equal to<b> 50Mb</b>.</span><span style="font-family: verdana;"><b>#dd if=/dev/zero of=/temp/vf0 count=102400</b><br />
<b><span style="color: #6633ff;">Note : </span></b></span><br />
<span style="font-family: verdana;"><b>1. </b>By default<b> "dd" </b>command(<b>d</b>ataset <b>d</b>efinition) uses block of <b>512bytes </b>so the size will be <b>102400*512=52 428 800=~50MB</b><br />
<b>2. /dev/zero</b> is a <a class="zem_slink" href="http://en.wikipedia.org/wiki/Device_file_system" rel="wikipedia" title="Device file system">device files</a> which will be used create a file which conations <b>"0"</b> i.e. an <b>empty</b> </span><span style="font-family: verdana;"><b>file.</b></span><span style="font-family: verdana;"><b><span style="color: #6633ff;">Clipped output:</span>[root@test6 ~]# dd if=/dev/zero of=/temp/vf0 count=102400<br />
102400+0 records in<br />
102400+0 records out<br />
[root@test ~]# ls -lh /temp/vf0<br />
-rw-r--r-- 1 root root 50M Nov 7 12:08 /temp/vf0</b><br />
<b><span style="color: #6633ff;">Step2 :</span></b> Create<b> ext3</b> file system for this virtual partition.</span><span style="font-family: verdana;"><b>#mkfs -t ext3 /temp/vf0</b><br />
Here it will ask <b>"do you want to format the file or not"?</b>, just say yes.<br />
<br />
<b><span style="color: #6633ff;">Step3 :</span></b> Now we have to create a <b><a class="zem_slink" href="http://en.wikipedia.org/wiki/Mount_%28computing%29" rel="wikipedia" title="Mount
(computing)">mount point</a></b> (nothing but a directory) and mount the created partition.</span><span style="font-family: verdana;"><b># mkdir /virtdrive<br />
# mount -o loop=/dev/loop0 /temp/vf0 /virtdrive</b><br />
<span style="color: #6633ff;"><b>Note:</b></span></span><br />
<span style="font-family: verdana;"><b><span style="color: #330033;">/</span>dev/loop</b> is special hardware device used to mount <b>ISO files</b> and <b>virtual file</b> systems. In Linux there are total <b>8 loop devices</b> numbering from <b>0 to 7</b>. So you can mount only <b>8 ISO</b> <b>files/virtual file systems</b> by default.<br />
<br />
<b><span style="color: #6633ff;">Step4 : </span>Edit <a class="zem_slink" href="http://en.wikipedia.org/wiki/Fstab" rel="wikipedia" title="Fstab">/etc/fstab</a></b> file to mount permanently, so that it be auto mounted at boot time too. Specify following entry in <b>fstab file</b>.</span><span style="font-family: verdana;"><b>/temp/vf0 /virtdrive ext3 rw,loop=/dev/loop0 0 0</b><br />
<b><span style="color: #6633ff;">Step5 :</span></b> Specify the <b>fstab</b> changes to <b>kernel</b>.</span><span style="font-family: verdana;"><b>#mount -a</b><br />
<b><span style="color: #6633ff;">Step6 :</span></b> Conform Weather mounting happen perfectly or not.<br />
</span><span style="font-family: verdana;"><b><span style="color: #6633ff;">Way1 :</span>#cat /etc/mtab</b><br />
<b><span style="color: #6633ff;">Way2 :</span></b> Change the directory to mount point you have to see <b>lost+found</b> folder</span><span style="font-family: verdana;"><b>[root@test ~]# cd /virtdrive/<br />
[root@test virtdrive]# ls<br />
lost+found<br />
[root@test virtdrive]#</b></span>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-39080921192082902082010-05-22T16:17:00.000+05:302010-05-22T16:17:05.315+05:30How To Get BIOS, FIRMWARE And Installed Drivers Details<div style="font-family: Verdana,sans-serif;">How to get the <b>BIOS</b> <b>(Basic Input Output System)</b> information and other information such as<br />
<b>1.Hardware<br />
2.CPU information<br />
3.Drivers installed in Linux machine.<br />
</b><br />
</div><div style="font-family: Verdana,sans-serif;"><br />
For every operation/work in Linux there will be one command, this is true.(all you need to find out that command is use. Google to get it). So how to get <b>BIOS</b> info without rebooting the system. The command for this is <b>dmidecode(DMI table</b> <b>decoder)</b>. Some times BIOS is called as <b>DMI</b> too. Just execute the command, It will just dump lots and lots of information about the sytem.<br />
<br />
</div><div style="font-family: Verdana,sans-serif;"><b>#dmidecode</b><br />
</div><div style="font-family: Verdana,sans-serif;">To get more presised/cliped information for particular category such as only <b>BIOS</b> or only <b>hardware</b> or only <b>RAM</b> details or just only <b>CPU</b> info we have to specify the type<b>(--tyep or -t option)</b>, here are the types list for your reference.<br />
</div><div style="font-family: Verdana,sans-serif;"><br />
<b><span style="color: #6633ff;">DMI TYPES</span></b><br />
The <b>SMBIOS</b> specification defines the following <b>DMI</b> types:<br />
<br />
<b><span style="color: #6633ff;">Type Information</span><br />
----------------------------------------<br />
0 BIOS<br />
1 System<br />
2 Base Board<br />
3 Chassis </b><br />
</div><div style="font-family: Verdana,sans-serif;"><b>4 Processor<br />
5 Memory Controller<br />
6 Memory Module<br />
7 Cache<br />
8 Port Connector </b><br />
</div><div style="font-family: Verdana,sans-serif;"><b>9 System Slots<br />
10 On Board Devices<br />
11 OEM Strings<br />
12 System Configuration Options<br />
13 BIOS Language<br />
14 Group Associations<br />
15 System Event Log<br />
16 Physical Memory Array<br />
17 Memory Device<br />
18 32-bit Memory Error<br />
19 Memory Array Mapped Address<br />
20 Memory Device Mapped Address<br />
21 Built-in Pointing Device<br />
22 Portable Battery<br />
23 System Reset<br />
24 Hardware Security<br />
25 System Power Controls<br />
26 Voltage Probe<br />
27 Cooling Device<br />
28 Temperature Probe<br />
29 Electrical Current Probe<br />
30 Out-of-band Remote Access<br />
31 Boot Integrity Services<br />
32 System Boot<br />
33 64-bit Memory Error<br />
34 Management Device<br />
35 Management Device Component </b><br />
</div><div style="font-family: Verdana,sans-serif;"><b>36 Management Device Threshold Data<br />
37 Memory Channel<br />
38 IPMI Device<br />
39 Power Supply</b><br />
</div><div style="font-family: Verdana,sans-serif;"><br />
<b>Here is some examples.</b><br />
<b><span style="color: #6633ff;">Note : In RHEL4 there are no options for dmidecode command.</span></b><br />
</div><div style="font-family: Verdana,sans-serif;"><br />
<b><span style="color: #6633ff;">To find only BIOS info</span></b><br />
</div><div style="font-family: Verdana,sans-serif;"><br />
<b>#dmidecode –t 0<br />
[root@test ~]# dmidecode --type 0<br />
# dmidecode 2.7<br />
SMBIOS 2.5 present.<br />
</b><br />
Handle 0x0000, DMI type 0, 24 bytes.<br />
<b><span style="color: #6633ff;">BIOS Information</span></b><br />
<b>Vendor : Phoenix Technologies, LTD<br />
Version : MS7352 1.14<br />
Release Date : 09/03/2008<br />
Address : 0xE0000<br />
Runtime Size : 128 kB<br />
ROM Size : 1024 kB<br />
Characteristics:<br />
ISA is supported<br />
PCI is supported<br />
PNP is supported<br />
APM is supported<br />
BIOS is upgradeable<br />
BIOS shadowing is allowed<br />
Boot from CD is supported<br />
Selectable boot is supported<br />
BIOS ROM is socketed<br />
EDD is supported<br />
5.25"/360 KB floppy services are supported (int 13h)<br />
5.25"/1.2 MB floppy services are supported (int 13h)<br />
3.5"/720 KB floppy services are supported (int 13h)<br />
3.5"/2.88 MB floppy services are supported (int 13h)<br />
Print screen service is supported (int 5h)<br />
8042 keyboard services are supported (int 9h)<br />
Serial services are supported (int 14h)<br />
Printer services are supported (int 17h)<br />
CGA/mono video services are supported (int 10h)<br />
ACPI is supported<br />
USB legacy is supported<br />
LS-120 boot is supported<br />
ATAPI Zip drive boot is supported<br />
BIOS boot specification is supported<br />
Function key-initiated network boot is supported<br />
Targeted content distribution is supported<br />
BIOS Revision: 1.14<br />
</b>Even we can specify keyword for specifying type if you forget the type number, so just type the keyword to check particular property of the styem.<br />
<br />
<b><span style="color: #6633ff;">Keyword Types</span><br />
------------------------------<br />
bios 0, 13<br />
system 1, 12, 15, 23, 32<br />
baseboard 2, 10<br />
chassis 3<br />
processor 4<br />
memory 5, 6, 16, 17<br />
cache 7<br />
connector 8<br />
slot 9<br />
</b><br />
Suppose we want to see system details<br />
<br />
[<b>root@test ~]# dmidecode --type system<br />
# dmidecode 2.7<br />
SMBIOS 2.5 present.</b><br />
<br />
Handle 0x0001, DMI type 1, 27 bytes.<br />
<b><span style="color: #6633ff;">System Information :<br />
</span></b> <b>Manufacturer : Hewlett-Packard<br />
Product Name : HP Compaq dx7400 Microtower<br />
Version: <br />
Serial Number: SGH83801NJ<br />
UUID: 809AF9C0-17F0-1310-9511-C4681D1F835D<br />
Wake-up Type: Power Switch<br />
SKU Number: GD384AV<br />
Family: 103C_53307F<br />
<br />
Handle 0x0024, DMI type 32, 11 bytes.<br />
System Boot Information<br />
Status: No errors detected<br />
<br />
[root@test ~]#<br />
</b><br />
</div><div style="font-family: Verdana,sans-serif;">Some other useful commands to get system info are<br />
<br />
<b><span style="color: #6633ff;">To get CPU info<br />
</span>#cat /etc/cpuinfo</b><br />
<br />
<b><span style="color: #6633ff;">To get HW info</span></b><br />
<b>#lshal<br />
</b><br />
<b><span style="color: #6633ff;">or </span></b><br />
<b>#lshw</b><br />
<br />
<span style="color: #6633ff;"><b>To get PCI info</b></span><br />
#lspci<br />
<br />
<b><span style="color: #6633ff;">To get USB info</span></b><br />
<b>#lsusb</b><br />
</div>Please comment your thoughts about this post.Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0tag:blogger.com,1999:blog-8838044055487075958.post-80111060700631103182010-05-22T16:14:00.005+05:302010-05-22T16:23:52.581+05:30RSYNC --The tool every Admin should knowRecently I came accross <b>rsync utility</b>... Its an awesome command it is a sub service under <b>xinetd along</b> with some other services such as <b>tftp, rcp, rsh, rlogin, telnet</b> etc..<br />
<br />
Let us list advantages of this command then we will know how to configure it.<br />
<br />
<b><span style="color: #6633ff; font-size: medium;">Advantages of rsync :</span></b><br />
<br />
<br />
<br />
<ol><li>This tool will keep both the destination and source folder synced. </li>
<li><b>rsync</b> is fast, because it will not copy entire data every time it got synced, it just copes the date which got changed from previous copy. </li>
<li>For security reasons, <b>rsync</b> will support <b>ssh</b> to transfer data between two machines.</li>
<li><b>rsync</b> is used to download <b>RPM</b> updated repository to local machine.</li>
</ol>And lot more advantages are there.. please share your valuable experiences here.<br />
<br />
<span style="color: #6633ff;"><b><span style="font-size: medium;">Configuration : rsync</span></b><br />
<br />
</span>Some points to be remembered when dealing with<b> rsync</b><br />
<br />
<ul><li>This utility is the part of <b>xinetd</b> so there is no special package for this.</li>
<li>When we are doing <b>rsync</b> between two systems, both the systems should be configured to allow<b> rsync</b> connections.</li>
<li><b>rsync uses 873</b>.</li>
</ul><b><span style="color: blue;">Step1 : </span></b>Install xinetd package, if you want to configure <b>yum server</b> click here.<br />
<b>#yum install xinetd</b><br />
<br />
<span style="color: blue;"><b>Step2 : </b></span>Configure <b>rsync</b> to allow connections, the configuration file for <b>rsync</b> is located in /etc/xinetd.d<br />
<b>#cd /etc/xinetd.d<br />
#vi rsync<br />
</b><br />
<br />
<div style="color: blue;"><b># default : off<br />
# description: The rsync server is a good addition to an ftp server, as it \<br />
# allows crc checksumming etc.<br />
service rsync<br />
{<br />
disable = yes<br />
socket_type = stream<br />
wait = no<br />
user = root<br />
server = /usr/bin/rsync<br />
server_args = --daemon<br />
log_on_failure += USERID<br />
}</b></div><div style="color: blue;">In this configuration file just change <b>disable = yes to no</b>, then save the file and exit. Here is the updated configured file.</div><div style="color: blue;"><b># description: The rsync server is a good addition to an ftp server, as it \<br />
# allows crc checksumming etc.<br />
service rsync<br />
{<br />
disable = no</b></div><b><span style="color: blue;">socket_type = stream</span><br style="color: blue;" /><span style="color: blue;"> wait = no</span><br style="color: blue;" /><span style="color: blue;"> user = root</span><br style="color: blue;" /><span style="color: blue;"> server = /usr/bin/rsync</span><br style="color: blue;" /><span style="color: blue;"> server_args = --daemon</span><br style="color: blue;" /><span style="color: blue;"> log_on_failure += USERID</span><br style="color: blue;" /><span style="color: blue;"> }</span><br />
</b><br />
<b><span style="color: blue;">Step3 : </span></b>Start the <b>rsync service</b>, so how to do it? As i mention earlier that <b>rsync</b> is a part of <b>xinetd service</b> so just restart the xinetd service.<br />
<b>#service xinetd restart</b><br />
<br />
<b><span style="color: #6633ff;">Step4 : </span></b>Permanently on the service<br />
<b>#chkconfig rsync --levels 345 on</b>Raveendra nadh Chowdaryhttp://www.blogger.com/profile/05247469335436150036noreply@blogger.com0