You need to restore the membership of Group1

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.
Perform an authoritative restore.

B.
Perform a non-authoritative restore.

C.
Recover the items by using Active Directory Recycle Bin.

D.
Apply a virtual machine snapshot to VM1.

Explanation:
Authoritative restore allows the administrator to recover a domain controller, restore it to a specific
point in time, and mark objects in Active Directory as being authoritative with respect to their
replication partners. For example, you might need to perform an authoritative restore if an
administrator inadvertently deletes an organizational unit containing a large number of users. If you
restore the server from tape, the normal replication process would not restore the inadvertently
deleted organizational unit. Authoritative restore allows you to mark the organizational unit as
authoritative and force the replication process to restore it to all of the other domain controllers in
the domain.
Incorrect:
Not C: A nonauthoritative restore returns the domain controller to its state at the time of backup
and then allows normal replication to overwrite that state with any changes that occurred after the
backup was taken.
After you restore the system state, the domain controller queries its replication partners. The
replication partners replicate any changes to the restored domain controller, ensuring that the
domain controller has an accurate and updated copy of the Active Directory database.
Reference: Performing an Authoritative Restore
What should you do?
A)
Export and import data by using Dsamain.
B)
Apply a virtual machine snapshot to VM1.
C)
Recover the items by using Active Directory Recycle Bin.
D)
Modify the isRecycled attribute of Group1.

Answer) A