Which two statements are true when enabling Data At Rest Encryption on an existing vSAN datastore?

A company has a new production wide requirement to use Data At Rest Encryption for compliance reasons. An administrator is evaluating the impact of making this change to the vSAN datastores in production.

Which two statements are true when enabling Data At Rest Encryption on an existing vSAN datastore? (Choose two.)
A . The vSAN storage policies must be modified to enable vSAN Data At Rest Encryption.
B . Only metadata changes will occur and there will be no data evacuation.
C . The process can be scheduled to start at a later time.
D . The raw capacity of the vSAN datastore will be temporarily reduced while encryption is occurring.
E . The encryption process will start immediately.

Answer: AD