Which two operations can the administrator perform to verify consolidation is needed?

An administrator takes a vSphere snapshot of a virtual machine and applies an OS update.
After confirming the update the administrator cannot enable Fault Tolerance on the virtual
machine and suspects there are snapshots that have not been consolidated. Which two
operations can the administrator perform to verify consolidation is needed? (Choose two.)

A.
Expose the Needs Consolidation column in the virtual machines tab of the host.

B.
Select and run the vSphere Cluster HealthCheck from the right-click menu of the cluster
object.

C.
Browse the datastore containing the vmdk files and look for files with the “-delta.vmdk”
extension.

D.
Expose the Needs Consolidation column in the virtual machine summary tab.