What should you do?

Your network has Lync Server 2010 deployed. All client computers run Microsoft Lync 2010.
You need to ensure that users are prompted to enter a location when they sign in to Lync 2010 at a new location.
What should you do?

A.
Modify the Global Client Policy.

B.
Modify the Global Location Policy.

C.
Create a Presence Policy.

D.
Create a new collection of Client Version Configuration settings.

Explanation:
http://technet.microsoft.com/en-us/library/gg520954.aspx

http://ucken.blogspot.com/2010/09/configuring-location-services-in-cs-14.html