You plan to deploy Lync Server 2010. You need to ensure that the planned deployment supports Enhanced 911 (E911) services. What should you include in the planned deployment?

A.
Call Admission Control

B.
a Location Information Server

C.
malicious call tracing

D.
media bypass

Explanation:
Lync Server uses a Location Policy to enable Lync 2010 clients for E9-1-1 during client registration. (http://technet.microsoft.com/en-us/library/gg413006.aspx)