Your network contains an Active Directory domain named contoso.com. All servers run either Windows Server
2008 R2 or Windows Serve 2012. All client computersrun either Windows 7 or Windows 8.
The domain contains a member server named Server1 that runs Windows Server 2012. Server1 has the File
and Storage Services server role installed.
On Server1, you create a share named Share1.
You need to ensure that users can use Previous Versions to restore the files in Share1.
What should you configure on Server1?

A.
The Shadow Copies settings

B.
A Windows Server Backup schedule

C.
A data recovery agent

D.
The Recycle Bin properties

Explanation:
A: Enable and schedule shadow copies for Share1
B: The backup doesn’t give users access until filesare restored C.
D: No settings for file version
http://technet.microsoft.com/en-us/library/cc786104(v=ws.10).aspx