What should you do first?

Your network has a Lync Server 2010 infrastructure that has a bandwidth policy.
You need to override the bandwidth policy for a user named User1.
What should you do first?

A.
Create a Dial Plan.

B.
Create a Voice Policy.

C.
Create a Client Policy.

D.
Create a Conferencing Policy.

Explanation:
http://technet.microsoft.com/en-us/library/gg412966.aspx