Exam Code: 1Y0-A26
Exam Name: Citrix XenServer 6.0 Administration
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
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?
B. Array controller
C. Network interface card
D. Primary host bus adapter
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.
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
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.
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?
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.
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.
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.
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.
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