Your network contains a server named Server1. An administrator named Admin1 installs the
Windows Server Update Services (WSUS) server role on Server1. You open the Windows Server
Update Services console and view the Products and Classifications options as shown in the exhibit.
(Click the Exhibit button.)

You need to ensure that you can select updates for Windows Server 2008 R2 Service Pack 1 (SP1)
from the Products and Classifications options. What should you do?

A.
From a command prompt, run wuauclt /detectnow.

B.
From a command prompt, run gpudate /force.

C.
From the WSUS Administration console, synchronize Server1.

D.
From the Service console, restart the Update Services service.