Your network contains an Active Directory forest named contoso.com. The forest contains a single domain. All domain controllers run Windows Server 2012. 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. What should you do?
A.
Perform a non-authoritative restore.
B.
Modify the Recycled attribute of Group1.
C.
Perform an authoritative restore.
D.
Recover the items by using Active Directory Recycle Bin.
C. Perform an authoritative restore.
Because no AD objects were deleted.
https://technet.microsoft.com/en-us/library/cc816878.aspx
D.
In my lab, I successfully restored two user accounts simultaneously from the ADRB with the ADAC.
This is about group membership. No user objects were deleted.
Tricky question, had to do a triple-take. you are correct Just a guy, nothing was deleted. The user accounts were simply removed from the members of group1.
Answer: C (as stated by sultan).
Tombstone restoration and AD Recycle Bin restore will not restore group memberships.