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Citrix XenApp 6.5 Administration : 1Y0-A20 Exam
1Y0-A20 Questions & Answers
Exam Code: 1Y0-A20
Exam Name: Citrix XenApp 6.5 Administration
Q & A: 116 Q&As

Scenario: An administrator manages a XenApp 6.5 fam with one zone. All servers in the zone
have identical hardware and software. The zone is configured with a primary data collector with a
preference of Most Preferred and a backup data collector with a prefenrece of Preferred. All other
XenApp servers in the zone have a preference of Not Preferred.
If both the primary and backup zone data collectors are turned off, the XenApp server in the zone
that will be elected the new primary zone data collector is the one ____________.
(Choose the correct option to complete the sentence).
A. with the lowest Host ID number
B. with the highest Host ID number
C. that reponds last to eh election request
D. that reponds first to the election request
Answer: B

Scenario: An administrator manages a server farm containing nine servers. The servers are
organized into three worker wroups based on the geographic location of users accessing the
applications. User in all geographic locations are accessing the applications in the server farm 24
hours a day, seven days a week.
The administrator would like to restart the servers on a regular basis.
Which two tasks should the administrator perform to automate the restarting tof the servers
without impacting user access? (Choose two).
A. Create zones for the servers in each worker group.
B. Configure reboot policies and apply them to the appropriate worker groups.
C. Create three worker groups containing a server from each existing worker group.
D. Configure the Health Monitoring policy and apply it to the appropriate worker groups.
E. Configure the Citrix IMA Service test to restart the servers and apply it to appropriate worker groups.
Answer: BC

An administrator of a XenApp 6.5 enviornment needs to determine which printer drivers are native
to the operating system and which ones are provided by the vendor.
Which two can the administrator user to find this information? (Choose two).
A. AppCenter
B. PnPUtil.exe
C. Print Detective
D. Configuration Logging report
Answer: BC

Scenario: A Citrix administrator is migrating the servers in his farm from XenApp 5 on Windows
Server 2003 with HRP3 to XenApp 6.5 for Windows Server 2008 R2. In the XenApp farm, a Zone
Preference and Failover policy was used.
Which policy should the administrator use to replace the Zone Preference and Failover policy?
A. Citrix User
B. Load Evaluator
C. Load Balancing
D. Citirix Computer
Answer: C

Scenario: An administrator configured multiple session printer policies for a group of users. Upon
logging into one of the XenApp 6.5 servers, the administrator is NOT able to see any of these
network session printers but does see other printers on the server.
Why is the administrator unable to see any of the users’ network session printers?
A. Network printers are per-user connections
B. The Citrix Printer Manager Service is hung or crashed.
C. The Citrix printing policies are configured incorrectly.
D. The administrator does NOT have persmission to the printer queues.
Answer: A

Scenario: A XenApp administrator must recommend a database option for a new XenApp 6.5 data
store. The new farm will have multiple zones over WAN connections with low bandwidth and high
Which two database options should the administrator recommend? (Choose two.)
A. Micrsoft SQL Server 2008
B. Micrsoft SQL Server 2008 R2
C. Micrsoft SQL Server 2008 Express
D. Micrsoft SQL Server 2008 Express R2
Answer: AB

Scenario: A XenApp administrator must recommend a database option for the new XenApp 6.5
data store. The new farm will have more than 100 XenApp servers and 500 published resources,
support more than 5,000 concurrent users and have two zones separated by a WAN connection.
Which two database options should be administrator recommend? (Choose two.)
A. IBM DB2 9.7
B. Oracle Enterprise 1.1
C. Microsoft SQL Server 2008
D. Microsoft SQL Server Express 2008
Answer: BC

An administrator needs to install a XenApp 6.5 server to act as an additional dedicated data collector. After installing XenApp on the new server, the next step is to configure it by enabling the
A. Session-host mode only
B. Controller and Session-host modes
C. data collector and XML Broker host mode
D. data collector and XTE Service host mode
Answer: B

Scenario: An administrator needs to prepare a group of XenApp 6.5 servers for a scheduled
maintenance window. The servers need to accept connections from users that already have
existing sessions but disallow any new connections. The administrator also needs to ensure that
the servers remain in maintenance mode after the software updates are performed, which require
multiple restarts.
Which setting can the administrator use from the AppCenter?
A. Prohibit logons only
B. Drain until next restart
C. Allow logons and reconnections
D. Prohibit logons until server restart
E. Prohibit logons and reconnections
Answer: A

Scenario: A company has two XenApp 6.5 farms and two Web Interface servers, each hosting a
specific business application. Because of legal reasons, the applications CANNOT be delivered
from a single farm. Users complain that they often use the wrong URL or do NOT see the
application they require.
Which two tasks can an administrator complete to reduce the users’ confusion? (Choose two.)
A. Use a load balancer to provide a single URL to both Web Interface servers.
B. On each Web Interface server, create a new Web Interface site for the alternate farm.
C. On each Web Inferface server, add a second farm that is configured with at least one XML gateway
from the alternate farm.
D. On each Web Inferface server, modify the existing farm configuration and add at least one XML
gateway from the alternate farm.
E. Customize the Web Interface footer text on both Web Interface servers to remind the users of which
application are provided by the current server.
Answer: AC

An administrator is using the AppCenter to control the logon settings for a XenApp 6.5 farm.
Which four of the listed options are valid logon control settings for servers in the AppCenter?
(Choose four.)
A. DrainB. Prohibit logons only
C. Drain until next restart
D. Allow logons and reconnections
E. Prohibit logons until server restart
F. Prohibit logons and reconnections
Answer: BDEF

Scenario: an administrator is notified that a single XenApp server has an issue with starting the
IMA Service. A quick check of all dependent services shows there are NO issues. When the
administrator checks the MF20.dsn file using Notepad, the file is unreadable and contains
miscellaneous junk.
In order to quickly resolve this issue, the administrator should copy the _________. (Choose the
correct option to complete the sentence.)
A. contents only of a working server’s IMA folder
B. folder and contents from a working server’s IMA folder
C. MF20.dsn file from another server and reinstall XenApp 6.5
D. MF20.dsn file from another server, renaming the hostname of the XenApp Server
Answer: D

Scenario: An administrator supports a XenApp farm consisting of 30 servers which should be fitted
with the same hardware. Users are connecting to the servers using a published desktop. Some
users complain that applications sometimes become slow and unresponsive. Users are spread
evenly across all servers. The administrator looks in the AppCenter and discovers that the
complaining users are all on the same five servers. After examining the five servers, the
administrator discovers that they all are memory swapping.
Which next step should the administrator take to troubleshoot this issue?
A. Use Process Monitor to investigate file usage.
B. Check the servers for hardware discrepancies.
C. Create a Computer policy that enables Memory Optimization.
D. Use Performance Monitor to investigate queue length on disc.
Answer: B

Scenario: A company has 20 machines and 20 users. The 20 users are split into two shifts so that
only 10 people are connected to the XenApp 6.5 farm at any one time. Now, a third shift of 10 new
users is being added.
In order to ensure that the 10 new users can get connected to XenApp 6.5, the administrator must
purchase and install 10 additional _________. (Choose the correct option to complete the
A. client machines
B. XenApp 6.5 concurrent licenses
C. Microsoft Remote Desktop Services user client access licenses
D. Microsoft Remote Desktop Services machine client access licenses
Answer: C

Scenario: A server farm has three policies applied using the Client IP address and User filters.
– Policy A (priority 1) prevents client IP addresses in the 208.29.80.* range from accessing client, optical
and removable drives. No other settings are configured.
– Policy B (priority 2) allows client IP addresses in the 208.29.80.* range to access network drives. All other
settins are disabled.
– Policy C (priority 3) allows all domain users to access client, optical and removable drives. No other
settings are configured.
Which drives will be available to a domain user accessing the server farm from a client using the IP address?
A. No drives
B. Network drivers
C. Client, optical and removable drives
D. Network, client and removable drives
E. Network, client, optical and removable drives
Answer: B

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