You have a Microsoft Office Communications Server 2007 R2 infrastructure that contains the following components:
One Edge Server
One XMPP Gateway
One Archiving Server
Two media gateways
One Monitoring Server
Two Mediation Servers
One Group Chat Server
One Standard Edition Front End Server
You plan to migrate the infrastructure to Lync Server 2013. You need to identify the minimum number of Lync Server 2013 servers required to maintain the functionality of the existing infrastructure.
How many servers should you identify?
A. 1
B. 2
C. 3
D. 4
