Scenario: An administrator tries to start a virtual machine on a host that has an NFS storage repository. The virtual machine gives the error "This virtual machine needs storage that cannot be seen from the server."
Which action, within XenCenter, can the administrator take on the NFS storage repository to correct this issue?
A. Repair
B. Forget
C. Detach
D. Set as default
An administrator CANNOT use XenCenter to connect to an existing standalone XenServer host that has six virtual machines running.
What could be causing this issue?
A. NTP is NOT configured.
B. The XAPI Service stopped.
C. The XenServer DNS configuration is incorrect.
D. Communication with Active Directory has been lost.
Scenario: An administrator manages six XenServer hosts in a resource pool in which high availability is enabled. The administrator is notified that host fencing occurred.
Which two reasons could be causing the issue? (Choose two.)
A. CPU utilization reached 90%.
B. The resource pool is overcommitted.
C. The shared storage repository was disconnected.
D. There was a XenServer management network outage.
Scenario: An administrator CANNOT use XenCenter to manage an existing XenServer host in a resource pool. The administrator found that the XenServer host CANNOT communicate properly with XAPI.
What could be causing the communication issue on the failed host?
A. Dom0 is out of space.
B. NTP is NOT configured.
C. The root password is unknown.
D. The host CANNOT connect to Active Directory.
Scenario: An administrator has noticed that all storage repositories in XenCenter are shown as using 0 bytes of space. The administrator has determined that the XAPI database must be in sync with the local VDIs presented on the underlying storage substrate.
Which command should the administrator run to resolve this issue?
A. xe sr-scan
B. xe sr-probe
C. xe sr-forget
D. xe sr-introduce
Scenario: An administrator receives a change request to enable high availability in a resource pool consisting of six XenServer hosts. When the administrator is executing the change request, an error message indicates there is an issue with enabling high availability.
What could be causing this issue?
A. NTP is NOT specified.
B. Hosts have different CPUs.
C. Active Directory authentication is NOT configured.
D. The storage repository disk space for heart-beat is insufficient.
An administrator noticed that a storage repository is unable to attach or be repaired in the XenCenter console.
Which command can the administrator run in the XenServer CLI to reconnect the storage repository?
A. xe sr-scan
B. xe sr-probe
C. xe pbd-plug
D. xe pbd-unplug
An administrator needs to resolve intermittent host issues related to high availability. Which two actions can the administrator take to resolve this issue? (Choose two.)
A. Change storage repositories.
B. Implement Disaster Recovery.
C. Implement workload balancing.
D. Change management networks.
Scenario: An administrator built four new hosts in an existing XenServer pool that already has multiple hosts connected to a shared storage over Fibre Channel. The administrator discovered that the new hosts are NOT able to connect to the existing storage repositories.
Which two steps can the administrator take to resolve the issue? (Choose two.)
A. Check the log files.
B. Recreate the storage repositories.
C. Verify that the LUNs are mapped and zoned correctly.
D. Convert the storage repositories to shared storage repositories.
Scenario: Users are NOT able to log into XenCenter using their Active Directory credentials. The administrator checked to ensure that the XenServer host exists as a valid computer object in Active Directory.
What should the administrator do to ensure that users are able to authenticate successfully using XenCenter?
A. Recreate the XenServer host computer object in Active Directory.
B. Ensure that the XenServer host and domain controller are in the same time zone.
C. Check that the time is synchronized between Active Directory and the XenServer host.
D. Set up the correct delegation on the XenServer host computer object in Active Directory.
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