Citrix Citrix Certifications 1Y0-A26 Questions & Answers

• Question 41:

  An administrator needs to configure dynamic memory control (DMC) for Microsoft Windows XP SP2 virtual machines in the XenServer pool.

  What must the administrator do before DMC can be configured on the virtual machines?

  A. Update the static memory range.

  B. Upgrade to a XenServer Platinum license.

  C. Upgrade the virtual machines to Microsoft Windows XP SP3.

  D. Run the param-name=memory-static - {min, max} command.

  Correct Answer: C

• Question 42:

  Scenario: An administrator needs to ensure that critical virtual machines are restarted automatically in the event of a host failure. It is critical that virtual machines are restarted in the correct order.

  What must the administrator do to configure this?

  A. Set required virtual machines to protected.

  B. Enable a vApp for the required virtual machines.

  C. Apply workload balancing to the required virtual machines.

  D. Configure virtual machine properties to "Auto start" on server startup.

  Correct Answer: B

• Question 43:

  Scenario: An environment, which consists of two XenServer pools, is used to host a web server environment. Pool Two contains only web servers and is used only during peak load. Pool One contains authentication and web servers. An administrator must ensure that access to the web servers is available at all times.

  What is the minimum requirement to achieve this?

  A. Enable failover on Pool Two.

  B. Enable high availability on Pool One.

  C. Enable workload balancing on Pool Two.

  D. Enable Active Directory authentication on Pool One.

  Correct Answer: B

• Question 44:

  An administrator should enable high availability on a XenServer pool when . (Choose the correct option to complete the sentence.)

  A. additional backup of virtual machines is needed

  B. workload balancing between servers in a pool is needed

  C. application(s)/server(s) are accessed 24 hours a day, 7 days a week

  D. virtual machines hosted on a pool need access to iSCSI shared storage

  Correct Answer: C

• Question 45:

  Scenario: An administrator needs to enable high availability for a configured pool. At the last screen in the wizard the administrator notices that the maximum number of server failures that high availability can protect is 0.

  Click the Exhibit button to view a screenshot of the wizard.

  

  How can the administrator correct this issue?

  A. Update XenCenter.

  B. Upload a valid XenServer license.

  C. Configure a heartbeat storage repository.

  D. Add a second identical XenServer host to the pool.

  Correct Answer: D

• Question 46:

  Scenario: XenServer Pool1 must be configured to provide fault tolerance in case a host fails. Pool1 consists of 10 XenServer hosts.

  Which command should the administrator execute to enable fault tolerance?

  A. xe pool-param-add

  B. xe pool-join name=Pool1

  C. xe pool-ha-enable name=Pool1

  D. xe pool-ha-enable heartbeat-sr-uuids=

  Correct Answer: D

• Question 47:

  Scenario: An administrator needs to remove QoS processing from a virtual machine. The virtual machine is experiencing performance issues with web traffic in a XenServer environment with a global QoS policy applied.

  Which configuration change should the administrator make to satisfy this requirement?

  A. Disable inherited QoS policy

  B. Inherit QoS policy from parent

  C. Apply a QoS limit of 1000 Kbps

  D. Disable the VM Access Control List

  Correct Answer: A

• Question 48:

  An administrator needs to create a network Access Control List for a group of hosts in XenServer. Which Access Control List should the administrator choose?

  A. VM

  B. VIF

  C. Global

  D. Resource Pool

  Correct Answer: D

• Question 49:

  Which Access Control List should the administrator choose to disable port 80 access to network interfaces on a virtual machine?

  A. VM

  B. VIF

  C. Network

  D. Resource Pool

  Correct Answer: A

• Question 50:

  An administrator needs to throttle traffic from the virtual print server because it has been impacting all virtual machines on the network.

  On which object should the QoS policy be configured?

  A. VM

  B. Global

  C. Server

  D. Network

  Correct Answer: A