Citrix Citrix Certifications 1Y0-A26 Questions & Answers

• Question 111:

  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.

  Correct Answer: C

• Question 112:

  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.

  Correct Answer: A

• Question 113:

  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

  Correct Answer: D

• Question 114:

  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

  Correct Answer: D

• Question 115:

  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.

  Correct Answer: C

• Question 116:

  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.

  Correct Answer: C

• Question 117:

  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.

  Correct Answer: AB

• Question 118:

  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.

  Correct Answer: D

• Question 119:

  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.

  Correct Answer: C

• Question 120:

  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

  Correct Answer: A