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1V0-21.20 · Question #12

Refer to the exhibit. An administrator deletes the Service 1.5 snapshot. What is the result of this action?

The correct answer is A. Reversion to Service 1 snapshot, and Service 2 snapshot will remain.. When an administrator deletes an intermediate snapshot like 'Service 1.5', its data is merged into its parent, restructuring the snapshot chain while the virtual machine continues to run from its current state.

Explain Virtual Machine Concepts

Question

Refer to the exhibit. An administrator deletes the Service 1.5 snapshot. What is the result of this action?

Exhibit

1V0-21.20 question #12 exhibit

Options

  • AReversion to Service 1 snapshot, and Service 2 snapshot will remain.
  • BReversion to Service 1 snapshot, and Service 2 snapshot will be deleted.
  • CReversion to Service 2 snapshot, and Service 1 snapshot will be deleted.
  • DDeletion of all snapshots.

How the community answered

(32 responses)
  • A
    56% (18)
  • B
    6% (2)
  • C
    25% (8)
  • D
    13% (4)

Why each option

When an administrator deletes an intermediate snapshot like 'Service 1.5', its data is merged into its parent, restructuring the snapshot chain while the virtual machine continues to run from its current state.

AReversion to Service 1 snapshot, and Service 2 snapshot will remain.Correct

When an intermediate snapshot (Service 1.5) is deleted, its delta disk data is merged into its parent snapshot (Service 1). The snapshot chain is restructured so that Service 2 now directly points to Service 1 as its parent. The virtual machine itself continues to run from its current state (Service 2), and the Service 2 snapshot is not affected by the deletion of its now-merged parent.

BReversion to Service 1 snapshot, and Service 2 snapshot will be deleted.

Deleting an intermediate snapshot like Service 1.5 does not cause the VM to revert to an earlier state like Service 1, nor does it delete subsequent snapshots like Service 2.

CReversion to Service 2 snapshot, and Service 1 snapshot will be deleted.

Deleting an intermediate snapshot (Service 1.5) does not revert the VM to Service 2, as Service 2 is a child of Service 1.5, and it does not delete the parent snapshot, Service 1.

DDeletion of all snapshots.

Deleting a single, intermediate snapshot does not cause the deletion of all other snapshots in the chain; only the specific snapshot's data is merged into its parent.

Concept tested: vSphere snapshot deletion and chain management

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vm_admin.doc/GUID-F15F0DB5-75C7-40BC-8D4C-E8B62C6E60DA.html

Topics

#VM snapshots#Snapshot management#Snapshot deletion#Snapshot reversion

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