Which role should you assign to Admin1?

Your network has Lync Server 2010 deployed.
You need to ensure that an administrator named Admin1 can perform the following administrative tasks:

+ Move users.
+ Assign policies.

You must achieve this goal by assigning the minimum amount of rights to Admin1.
Which role should you assign to Admin1?

Your network has Lync Server 2010 deployed.
You need to ensure that an administrator named Admin1 can perform the following administrative tasks:

+ Move users.
+ Assign policies.

You must achieve this goal by assigning the minimum amount of rights to Admin1.
Which role should you assign to Admin1?

A.
CsAdministrator

B.
CsHelpDesk

C.
CsLocationAdministrator

D.
CsUserAdministrator

Explanation:
http://technet.microsoft.com/en-us/library/gg425839.aspx

http://blogs.technet.com/b/csps/archive/2010/06/06/refrbac1.aspx