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2014年4月11日星期五

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Code d'Examen: 1Y0-A20
Nom d'Examen: Citrix (Citrix XenApp 6.5 Administration )
Questions et réponses: 116 Q&As

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NO.1 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

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NO.2 Scenario: Users working from a remote branch office using XenApp are reporting that Flash content is
NOT displayed on an internal web page. Branch office users have NO direct connection to the internet.
Other Intranet sites are unaffected.
Which two steps could the administrator take to resolve the issue without impacting Flash performance?
(Choose two.)
A. Upgrading the Receiver client on the users PC to version 13.
B. Create a XenApp policy to enable Flash redirection for remote users.
C. Downgrade the version of Internet Explorer on the XenApp server to version 7.
D. Enable server-server content fetching policy on the client device using the supplied ADM file.
E. Add the URL of the intranet site to a Flash server-side content fetching URL list policy setting.
F. Uninstall the Flash player on the XenApp server, and install the 10.1 Flash player or later on the client.
Answer: DE

Citrix examen   1Y0-A20   1Y0-A20

NO.3 Scenario: A farm contains six servers with one shared data collector that has a custom load balancing
policy to limit the number of connections. An administrator needs to add more users to the farm, which will
result in adding on four more servers for a total of 10. As most users in the farm use a CAD application,
the administrator understands that resource needs will increase.
Which step should the administrator take to maintain farm integrity?
A. Dedicate two new servers as data collectors and set them as Most Preferred in the election.
B. Dedicated one new server as the dedicated data collector and the current data collector as its backup.
C. Dedicate three new servers as shared data collectors and assign Most Preferred in the election panel.
D. Dedicate a new server as a second shared data collector and assign Most Preferred in the election
panel.
Answer: B

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NO.4 In order for an administrator to download a license from the company's mycitrix.com portal, the
administrator must be added _________.
A. as a Citrix Administrator in the AppCenter
B. into the contacts for the company in mycitrix.com
C. to the Purchasing Active Directory group in the company
D. as a Domain Administrator in the company's Active Directory
Answer: B

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NO.5 Users of a medical application are complaining of poor quality images when viewing X-ray scans. The
administrator should create a XenApp policy to _________.
A. enable image caching
B. set the Lossy Compression Level to None
C. set the Progressive Compression level to low
D. set the Heavyweight Compression level to Disabled
Answer: B

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NO.6 Scenario: The administrator of a small XenApp server farm has configured end-to-end encryption
between the XenApp servers and user devices by setting up Access Gateway VPX. Session Reliability is
enabled in the farm with default settings.
Over which port will published applications be delivered.?
A. 80
B. 443
C. 1494
D. 2598
Answer: B

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NO.7 Scenario: The administrator of a XenApp Enterprise Edition server farm is configuration Single Sign-on
for the users of the farm. The Citrix license server was installed with the default vendor daemon and
console Web port numbers, but NOT the default license server port number.
Of the port numbers that are in use in the XenApp server farm, which one should the administrator specify
for the license server during Single Sign-on configuration?
A. 443
B. 7279
C. 8082
D. 27009
Answer: D

Citrix examen   1Y0-A20   1Y0-A20   1Y0-A20   certification 1Y0-A20

NO.8 Which Citrix service should an administrator monitor when troubleshooting issues with Session
Reliability?
A. IMA
B. XML
C. XTE
D. MFCom
Answer: C

Citrix   1Y0-A20   1Y0-A20 examen   certification 1Y0-A20

NO.9 Scenario: A Citrix administrator manages a XenApp farm with 3,000 users. The users run the same set
of applications every day. Users complain that Application B takes a long time to launch after they exit
Application A. The administrator is required to implement a solution to speed up application launch.
What should the administrator do in order to ensure that users are able to launch Application B quickly
after they exit Application A?
A. Configure Session Linger
B. Set Linger Disconnect Time Interval to 0
C. Set Pre-launch Terminate Time Interval to 0
D. Create a Pre-launch session for Application B
Answer: A

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NO.10 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

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NO.11 In building out a new XenApp environment, an administrator places the Secure Gateway and Web
Interface in the DMZ. What must the administrator do to secure the traffic to the XML Broker?
A. Change the XML traffic port to a non-standard assignment.
B. Use the SSL Relay tool to encrypt traffic to the XML Broker in the farm.
C. Place the XML Broker in the DMZ and encrypt the traffic between them.
D. Use encrypted ICA to communicate between the XML Broker and the Web Interface.
Answer: B

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NO.12 Scenario: An administrator is creating a new XenApp farm. The farm will use hosted applications and
applications streamed using Microsoft App-V technology. Both Microsoft Windows and Apple OS X
computers are in use in the environment. Management requires an automated process to deliver all
necessary clients and plug-ins.
Which two components should the administrator use to automate the process of delivering and updating
client plug-in? (Choose two.)
A. Microsoft Group Policy
B. Citrix Receiver Updater
C. Citrix Merchandising Server
D. Apple Enterprise Management Software
Answer: BC

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NO.13 Scenario: An administrator has finished installing the first server in a new farm and is now creating the
data store. The farm will consist of five servers and needs to support about 50 users. The company wants
this installation to be as cost-effective as possible.
What is the best option for a database system that would support this farm effectively?
A. Microsoft Access
B. Microsoft SQL Server
C. Oracle Database System
D. Microsoft SQL Server Express
Answer: D

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NO.14 Scenario: An administrator manages a XenApp farm that uses Citrix Provisioning Services to automate
the addition of XenApp servers to the farm. The administrator must implement a solution to automate the
addition of new servers to the published resources, load evaluators, Citrix polices and load balancing
policies.
Which two should the administrator configure to meet the requirements of the scenario?
(Choose two.)
A. Zones
B. Policies
C. Worker group
D. Load evaluators
Answer: BC

Citrix   1Y0-A20   1Y0-A20 examen   1Y0-A20 examen

NO.15 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

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2013年7月28日星期日

Dernières Citrix 1Y0-A25 1Y0-A26 1Y0-A22 1Y0-A20 examen pratique questions et réponses

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Code d'Examen: 1Y0-A25

Nom d'Examen: Citrix (Engineering a Citrix Virtualization Solution Exam)

Questions et réponses: 87 Q&As

Code d'Examen: 1Y0-A26

Nom d'Examen: Citrix (Citrix XenServer 6.0 Administration)

Questions et réponses: 120 Q&As

Code d'Examen: 1Y0-A22

Nom d'Examen: Citrix (Citrix XenApp 6.5 Advanced Administration )

Questions et réponses: 100 Q&As

Code d'Examen: 1Y0-A20

Nom d'Examen: Citrix (Citrix XenApp 6.5 Administration )

Questions et réponses: 116 Q&As

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NO.1 What must be true in order to integrate Active Directory authentication with a XenServer host?
A. LDAP port 389 is open for inbound traffic to the XenServer host.
B. The Active Directory administrator account is created locally on the XenServer host.
C. The same DNS server is used for both the Active Directory server and the XenServer host.
D. RAS authentication is used for communication between the Active Directory server and the XenServer
host.
Answer: C

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NO.2 An administrator needs to export a virtual machine to an NFS share mounted on a XenServer host.
Which xe CLI command does the administrator need to execute from a remote machine to perform the
virtual machine export?
A. xe vm-export -h <hostname> filename=<pathname_of_file>
B. xe vm-export -h <hostname> -u <root> -pw <password> vm=<vm_name>
C. xe vm-export -h <hostname> -u <root> -pw <password> filename=<pathname_of_file>
D. xe vm-export -h <hostname> -u <root> -pw <password> vm=<vm_name>
filename=<pathname_of_file>
Answer: D

Citrix examen   1Y0-A26   1Y0-A26

NO.3 An administrator needs to apply an update to a XenServer pool, but needs to control the update path
and the virtual machine migration. What does the administrator need to do to achieve this?
A. Update all hosts in the pool using the xe CLI.
B. Use the Install Update wizard to update the pool.
C. Update each host individually starting with the pool master.
D. Select manual update mode when updating the pool in XenCenter.
Answer: C

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NO.4 Scenario: An administrator configured XenServer Role Based Access Control (RBAC) to authenticate
using Active Directory. Using RBAC, the administrator must grant Level 2 Support users with permission
to start and stop virtual machines. Which two steps must the administrator take to grant Level 2 Support
users virtual machine permissions? (Choose two.)
A. Assign a role to the subject.
B. Add an Active Directory group to the pool.
C. Assign XenServer permissions to a group.
D. Add users and their roles to the authorized list of users.
Answer: AB

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NO.5 An administrator cloned a template into a virtual machine and then converted it back into a template.
Which action must be performed on the disks to restore expected levels of disk performance?
A. Run SysPrep
B. Complete a full copy
C. Execute a fast clone
D. Suspend before cloning
Answer: B

Citrix   1Y0-A26   1Y0-A26 examen   1Y0-A26

NO.6 Scenario: An administrator is adding a new host to a XenServer resource pool. XenServer is already
installed on the host, but the NTP server settings are configured incorrectly on the host. Which file can the
administrator edit to adjust the NTP server settings on the new XenServer host?
A. /etc/ntp.conf
B. /etc/ntp/keys
C. /etc/init.d/ntpd
D. /etc/ntp/step-tickers
Answer: A

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NO.7 Scenario: An administrator is planning to upgrade the RAM in a XenServer host. Due to business
restrictions, the host must be shut down during normal business hours. High availability is enabled in the
XenServer resource pool. Which step does the administrator need to take before shutting down the
XenServer host to allow the virtual machines to run after the host is shut down?
A. Disable high availability.
B. Export the virtual machines.
C. Place the host in maintenance mode.
D. Copy the virtual machines to another host.
Answer: C

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NO.8 Scenario: In an environment with high availability enabled, an administrator discovered that a host is
unreachable in a XenServer pool. The administrator disabled high availability in order to make the host
reachable. Which xe CLI command can the administrator run to make the host reachable again?
A. host-disable
B. host-evacuate
C. pool-designate-new-master
D. pool-emergency-reset-master
Answer: D

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NO.9 Scenario: An administrator is moving a XenServer host from the New York datacenter to the London
datacenter. During the installation of XenServer, the default NTP settings were selected. How must the
administrator ensure that the XenServer host has the correct time settings?
A. Configure the time in the host BIOS.
B. Configure the time zone in the ntp.conf file.
C. Change the time zone using the xsconsole.
D. Change the NTP servers to the London NTP servers.
Answer: C

Citrix   1Y0-A26   1Y0-A26   1Y0-A26   1Y0-A26 examen

NO.10 Scenario: An administrator needs to upgrade the memory of a XenServer host. Business requirements
state that this task can only be done during business hours. Which two steps must the administrator take
before shutting down a XenServer host in an environment that has high availability enabled without
affecting performance? (Choose two.)
A. Disable the host.
B. Evacuate the host.
C. Reset the pool master.
D. Disable high availability.
Answer: AB

Citrix   1Y0-A26   1Y0-A26 examen   1Y0-A26

NO.11 An administrator was given new security rules and now needs to remove specific permissions from the
users in the VM Admin Role Based Access Control group. How can the administrator remove the specific
permissions from the VM Admin user group?
A. Reset the VM Admin user group back to the default permissions.
B. Delete the registry key that applies to the specific permissions that need to be removed.
C. Run the xe subject-role-remove uuid=<subject UUID> role-name=vm.pool_migrate XenServer
command.
D. Remove the specific permissions from the Active Directory user group associated with the VM Admin
user group.
Answer: C

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NO.12 An administrator is planning to apply an update that has already been downloaded to a XenServer host
in production. What is the next step that the administrator needs to take in the update process?
A. Restart the host.
B. Generate the UUID for the patch.
C. Specify the UUIDs of the host and the patch.
D. Shut down, suspend or migrate the virtual machines running on the host.
Answer: D

Citrix   1Y0-A26   1Y0-A26 examen

NO.13 When starting up a XenServer from SAN, the BIOS of the ___________ contains the instructions that
enable the host to find the boot disk. (Choose the correct option to complete the sentence.)
A. host machine
B. array controller
C. host bus adapter
D. network interface card
Answer: C

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NO.14 Scenario: An administrator is unable to connect to a resource pool in a XenServer environment in
which high availability is enabled. The administrator discovers that the host is unreachable. What does
the administrator need to do to recover the host?
A. Run the pool-disable command, then the host-shutdown command and then restart the host.
B. Run the pool-disable command, then run the pool-emergency-reset-master command and restart the
host.
C. Run the emergency-ha-disable command, then once the host is restarted, run the pool-ha-enable
command.
D. Run the host-evacuate command, then restart the host and run the pool-emergency-transition-to-
master command.
Answer: C

Citrix   1Y0-A26   1Y0-A26

NO.15 Scenario: To improve performance and increase security, a network team will be moving all XenServer
hosts into a more secure, and high resiliency subnet. The administrator must now change the subnet
mask on all XenServer hosts to match the new network: 172.16.0.0/16. Which command will the
administrator need to execute on each host?
A. xe pif-reconfigure-ip uuid= mode=dhcp netmask=255.255.0.0
B. xe pif-reconfigure-ip uuid= mode=static netmask=255.255.0.0
C. xe pif-reconfigure-ip uuid= mode=dhcp netmask=172.16.0.0/16
D. xe pif-reconfigure-ip uuid= mode=static netmask=172.16.0.0/16
Answer: B

Citrix   1Y0-A26   1Y0-A26   1Y0-A26

NO.16 An administrator is setting up the XenServer hosts in an environment to boot from SAN. In which BIOS
would the administrator go to enable XenServer to boot from SAN.?
A. Host
B. Array controller
C. Network interface card
D. Primary host bus adapter
Answer: D

Citrix   1Y0-A26   1Y0-A26 examen   1Y0-A26

NO.17 Scenario: An administrator notices a duplex mismatch on the network interface card (NIC) which is
configured as the management interface. The administrator realizes that the switch was set to 100 full,
but XenServer auto-configured the NIC to 100 half, autoneg=on. How can the administrator ensure the
XenServer host does NOT auto-configure the NIC in the future?
A. Change the NIC properties in the xsconsole.
B. Use the xe pif-configure-ip command to disable auto-configuration.
C. Use the xe pif-param-set command to set other-config:ethtool-autoneg=off.
D. Assign a new NIC to the management interface within the XenCenter Network tab.
Answer: C

Citrix   1Y0-A26   1Y0-A26   1Y0-A26

NO.18 Scenario: An administrator is planning to introduce 100 new virtual machines into the environment.
The administrator plans to use XenServer templates and duplication mechanisms. What must the
administrator consider when deciding between the full copy and fast clone duplication mechanisms?
A. A template needs to be copied before it can be fast cloned.
B. A virtual machine that is duplicated using the full copy method may impact disk performance.
C. A virtual machine that is duplicated using the fast cloned method may impact disk performance.
D. A template created on local storage can be duplicated by using the full copy method by any host in the
pool.
Answer: C

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NO.19 An administrator needs to authenticate all users when they log into the XenServer pool using their
Windows credentials. What is the first step the administrator must take to achieve this?
A. Join the XenServer pool to the domain.
B. Add each user to the Users tab in XenCenter.
C. Create a XenServer user group within Active Directory.
D. Create Active Directory accounts for the XenServer users.
Answer: A

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NO.20 An administrator needs to run commands to specify __________ to configure email alerts at the host
level. (Choose the correct option to complete the sentence.)
A. alarm_priority on the host
B. alarm_priority on the virtual machine
C. the sender email address and SMTP server
D. the recipient email address and SMTP server
Answer: D

Citrix   1Y0-A26   certification 1Y0-A26