What should you do next?

Your network has a Lync Server 2010 infrastructure.
You need to archive all peer-to-peer IM conversations and Web conferences.
You deploy an Archiving Server.
What should you do next?

A.
Deploy a Director.

B.
Deploy a Monitoring Server.

C.
Configure the Global Call Detail Recording and the Global Archiving Policy.

D.
Configure the Global Archiving Configuration and the Global Archiving Policy.

Explanation:
http://blogs.technet.com/b/csps/archive/2010/07/16/refallcmdlets.aspx

Set-CsArchivingPolicy
Modifies an existing instant messaging (IM) archiving policy. An archiving policy gives you the ability to archive all IM sessions and conferences that take place between internal users; you can also archive sessions that take place between internal users and federated partners.

Set-CsArchivingConfiguration
Modifies an existing collection of instant messaging (IM) archiving settings.