You have two Exchange Server 2010 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.
Move CAS3 to Site1.

B.
Run the Set-ClientAccessArray cmdlet.

C.
Run the Setup /M:RecoverServer command.

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