Your company has a main office and five branch offices. The branch offices connect to the main
office by using a WAN link. Each branch office has 100 client computers that run Windows XP or
Windows Vista. All servers run Windows Server 2008 R2. The main office has a Windows Server
Update Services (WSUS) server. You need to minimize the amount of WAN traffic used to download
updates from the WSUS server. What should you do?

A.
From Windows Explorer, enable Offline Files.

B.
From a Group Policy, enable Allow BITS Peercaching.

C.
From a Group Policy, enable the Set BranchCache Distributed Cache mode setting.

D.
From a Group Policy, enable the Set BranchCache Hosted Cache mode setting.