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2V0-621 · Question #92

Which three statements are true when restoring a Resource Pool Tree? (Choose three.)

The correct answer is B. Restoring a snapshot can only be done on the same cluster from which it was taken. C. No other resource pools can be present in the cluster. D. Restoring a resource pool tree must be done in the vSphere Web Client. Restoring a vSphere Resource Pool Tree requires restoring to the originating cluster, clearing all existing resource pools first, and performing the operation exclusively through the vSphere Web Client.

Section 5 – Administer and Protect vSphere 6.x Resources

Question

Which three statements are true when restoring a Resource Pool Tree? (Choose three.)

Options

  • ADistributed Resource Scheduler must be set to manual.
  • BRestoring a snapshot can only be done on the same cluster from which it was taken.
  • CNo other resource pools can be present in the cluster.
  • DRestoring a resource pool tree must be done in the vSphere Web Client.
  • EEnabling Enhanced vMotion Compatibility on the cluster is required.

How the community answered

(19 responses)
  • A
    11% (2)
  • B
    84% (16)
  • E
    5% (1)

Why each option

Restoring a vSphere Resource Pool Tree requires restoring to the originating cluster, clearing all existing resource pools first, and performing the operation exclusively through the vSphere Web Client.

ADistributed Resource Scheduler must be set to manual.

DRS mode does not need to be set to manual for a resource pool tree restore; DRS operational mode is independent of the snapshot restore process and is not listed as a prerequisite in VMware documentation.

BRestoring a snapshot can only be done on the same cluster from which it was taken.Correct

A resource pool tree snapshot is bound to the cluster from which it was taken because it encodes resource allocations and virtual machine assignments specific to that cluster's topology. Attempting to restore it to a different cluster would result in incompatible configurations and undefined behavior.

CNo other resource pools can be present in the cluster.Correct

No other resource pools can be present in the cluster before restoration because the operation overwrites the entire pool tree structure, and any pre-existing pools would create conflicts or cause the restore to fail. The cluster must be fully cleared of resource pools before the snapshot can be applied.

DRestoring a resource pool tree must be done in the vSphere Web Client.Correct

The resource pool tree restore function is exposed only in the vSphere Web Client interface and is not available in the legacy vSphere Client (C# client) or through command-line tools, making the Web Client the only supported method for this operation.

EEnabling Enhanced vMotion Compatibility on the cluster is required.

Enhanced vMotion Compatibility (EVC) is a CPU feature-masking setting for cross-host vMotion and has no relationship to the requirements or procedure for restoring a resource pool tree snapshot.

Concept tested: vSphere resource pool tree snapshot restoration prerequisites

Source: https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.resmgmt.doc/

Topics

#resource pool tree#DRS#snapshot restore#cluster constraints

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