You have a file server named Server1 that runs Windows Server 2012 R2.
You need to ensure that a user named User1 can use Windows Server Backup to create a complete backup of
Server1.
What should you configure?

A.
The local groups by using Computer Management

B.
The Role Assignment by using Authorization Manager

C.
A task by using Authorization Manager

D.
The User Rights Assignment by using the Local Group Policy Editor

Explanation:
http://technet.microsoft.com/en-us/library/cc780182(v=ws.10).aspx
http://msdn.microsoft.com/en-us/library/bb897401.aspx