You have two Exchange Server 2010 Service Pack 1 (SP1) Client Access servers named
CAS1 and CAS2. CAS1 and CAS2 are in an Active Directory site named Site1. Both servers
are members of a Client Access server array.
CAS1 fails.
You install a new Client Access server named CAS3 in a new site.
You need to ensure that CAS3 is a member of the Client Access server array.
What should you do?

A.
Modify the DNS record of the Client Access server array.

B.
Move CAS3 to Site1.

C.
Run the setup /m:recoverserver command.

D.
Run the Set-ClientAccessArray cmdlet.