Citrix Citrix Certifications 1Y0-A26 Questions & Answers

• Question 91:

  Scenario: An administrator needs to change the pool master to prepare for maintenance activities during the evening. High availability is currently enabled.

  Using the XenCenter Console, what must the administrator do to change the pool master?

  A. Disable high availability.

  B. Configure workload balancing.

  C. Enable virtual machine protection policy.

  D. Enter maintenance mode on the pool master.

  Correct Answer: D

• Question 92:

  Scenario: An administrator needs to add memory modules to all hosts in a pool. The pool consists of three XenServer hosts with high availability enabled. High availability is able to tolerate one host failure.

  Which action must the administrator take to ensure that another host will be assigned as pool master before the current pool master memory is upgraded?

  A. Disable multipathing.

  B. Put the XenServer host into maintenance mode.

  C. Run the xe host-emergency-ha-disable command.

  D. Run the xe pool-emergency-transition-to-master command.

  Correct Answer: B

• Question 93:

  An administrator needs to perform maintenance on a XenServer host that is the pool master and that has high availability enabled.

  Which two commands would the administrator have to use to prepare the XenServer host for maintenance? (Choose two.)

  A. host-disable

  B. host-evacuate

  C. host-shutdown-agent

  D. host-management-disable

  E. host-emergency-ha-disable

  Correct Answer: AB

• Question 94:

  An administrator needs to upgrade the existing XenServer pool consisting of four hosts to version 6.0. When can the administrator use the rolling pool upgrade wizard?

  A. When upgrading from XenServer 5.6 or later

  B. When XenServer workload balancing is enabled

  C. When the XenServer installation media is unavailable

  D. When there are at least three XenServer hosts in the pool

  Correct Answer: A

• Question 95:

  Scenario: An administrator needs to upgrade the current XenServer environment to version 6.0. The current XenServer environment consists of 20 production virtual machines running mission- critical applications.

  When is it appropriate for the administrator to use the rolling pool upgrade wizard in this environment?

  A. When upgrading from XenServer 5.5 or earlier

  B. When high availability is enabled in the current environment

  C. When virtual machines in the current environment need to keep running

  D. When the current environment contains a SAN adapter for the StorageLink storage repository

  Correct Answer: C

• Question 96:

  Scenario: In preparation for adding a new iSCSI SAN to the environment, an administrator needs to separate the storage traffic from the XenServer management traffic. The host is connected to the iSCSI SAN on the 192.168.30.0/24 subnet using NIC 3.

  What must the administrator create to separate the storage network traffic?

  A. A bonded network

  B. An external network

  C. A management interface

  D. A single-server private network

  Correct Answer: C

• Question 97:

  An administrator needs to create a resource pool of XenServer hosts.

  Which two options are required of each host to create a homogeneous resource pool? (Choose two.)

  A. Shared storage

  B. Same vendor and CPU type

  C. XenServer Advanced License or higher

  D. Same version of XenServer and hotfixes installed

  Correct Answer: BD

• Question 98:

  Scenario: An administrator needs to create a single resource pool containing six XenServer hosts. All hosts have the same CPU manufacturer, but different CPU model.

  Which two host parameters need to be the same across all hosts to create a heterogeneous resource pool? (Choose two.)

  A. Time zone

  B. Usable memory

  C. Installed hotfixes

  D. XenServer version

  Correct Answer: CD

• Question 99:

  Scenario: A XenServer pool consists of two XenServer hosts that each have four network interface cards (NICs). The first two NICs form a bond that is used for management and virtual machine network traffic. The other two NICs are unused. The administrator notices that the system is using all available network bandwidth and iSCSI disk performance is being affected.

  Which network type could the administrator create to move the storage traffic to one of the unused NICs?

  A. Bonded

  B. Management

  C. Cross-server private

  D. Single-server private

  Correct Answer: B

• Question 100:

  Scenario: An administrator manages four XenServer hosts in a resource pool. To increase capacity, the administrator purchased one new host, which is a different CPU model, but from the same manufacturer. The administrator CANNOT add the new server to the existing pool.

  What does the administrator need to use to force the host to join the existing pool?

  A. Command line

  B. Maintenance Mode

  C. Add to Pool Wizard

  D. Add Server Wizard

  Correct Answer: A