Your network contains an Active Directory forest named contoso.com. The forest contains a single domain. All
domain controllers run Windows Server 2012 R2.
The domain contains two domain controllers. The domain controllers are configured as shown in the following
table.

Active Directory Recycle Bin is enabled.
You discover that a support technician accidentally removed 100 users from an Active Directory group named
Group1 an hour ago.
You need to restore the membership of Group1.
What should you do?

A.
Modify theisRecycledattribute of Group1.

B.
Perform tombstone reanimation.

C.
Perform a non-authoritative restore.

D.
Perform an authoritative restore.