Your network contains an Active Directory domain named contoso.com.The domain contains 1,000 client computers that run either Windows 8.1 or Windows 10.
You have a Windows Server Update Services (WSUS) deployment All client computers receive updates from
WSUS.
You deploy a new WSUS server named WSUS2.
You need to configure all of the client computers that run Windows 10 to send WSUS reporting data to
WSUS2.
What should you configure?

A.
an approval rule

B.
a computer group

C.
a Group Policy object (GPO)

D.
a synchronization rule

Explanation:
https://technet.microsoft.com/en-us/library/cc708574(v=ws.10).aspx
Under “Set the intranet update service for detecting updates”, type http://wsus:8530
Under “Set the intranet statistics server”, type http://wsus2:8531