Your network has Lync Server 2010 deployed. You need to recommend a tool to simulate client connectivity to Lync services. What tool should you recommend?

A.
Lync Server 2010 Deployment Wizard

B.
Lync Server 2010 Topology Builder

C.
Lync Server 2010 Control Panel

D.
Lync Server Management Shell

Explanation:
Test-CsRegistration
Tests the ability of a user to log on to Microsoft Lync Server 2010. (http://technet.microsoft.com/en-us/library/gg412737.aspx)