You deploy a Lync Server 2010 server.
You need to ensure that the required ports for Lync services are allowed through Windows Firewall.
Which cmdlet should you run?

A.
Test-ComputerSecureChannel

B.
Test-CsComputer

C.
Test-CsRegistration

D.
Test-CsTopology

Explanation:
http://technet.microsoft.com/en-us/library/gg398162.aspx