Which cmdlet should you run?

Your network has Lync Server 2010 deployed.
You deploy a Mediation Server, and then you configure a voice route that uses a SIP trunk.
You create a test user named User1.
You enable Enterprise Voice for User1.
You need to verify that when User1 initiates calls to external telephone numbers, the calls are routed through the SIP trunk.
Which cmdlet should you run?

A.
From the Lync server, run the ocssendmail.ps1 script.

B.
From the Lync server, run the New-CsExUmContact cmdlet.

C.
From the Exchange server, run the exchucutil.ps1 script.

D.
From the Exchange server, run the New-UMAutoAttendant cmdlet.