Your network contains an Active Directory domain named contoso.com.
The Administrator deletes an OU named OU1 accidentally.
You need to restore OU1. Which cmdlet should you use?

A.
Set-ADObject cmdlet.

B.
Set-ADOrganizationalUnit cmdlet.

C.
Set-ADUser cmdlet.

D.
Set-ADGroup cmdlet.

Explanation:
Reference/Reference:
http://technet.microsoft.com/en-us/library/dd379509.aspx
Restoring a deleted Active Directory object using the Get-ADObject and Restore-ADObject
cmdlets
You can also restore a deleted Active Directory object by using the Get-ADObject and
Restore-ADObject Active Directory module for Windows PowerShell cmdlets. The
recommended approach is to use the Get-ADObject cmdlet to retrieve the deleted object
and then pass that object through the pipeline to the Restore-ADObject cmdlet.