Your company has a main office and a branch office.
The network contains an Active Directory domain named contoso.com. The domain contains two servers
named Server1 and Server2 that run Windows Server 2012. Server1 has the Windows Server Update Services
server role installed and configured.
Server1 is located in the main office. Server2 is located in the branch office.
You plan to install Windows Server update Services (WSUS) on Server2.
You need to configure the update infrastructure to meet the following requirements:
Only updates approved by the administrator in the main office must be installed on client computers inthe
branch office.
The local administrator in the branch office must not be able to approve updates.
Bandwidth usage between the offices must be minimized.
What should you do?

A.
Configure Server2 as a downstream server in autonomous mode.

B.
On Server1, configure a computer group that contains the client computers in the branch office, and then
set the approvals to Automatic.

C.
On Server1, configure a client computer group that contains Server2, and then set the approvals to
Automatic.

D.
Configure Server2 as a downstream server in replica mode.