You perform a network readiness assessment for Lync deployment. The network includes a main office and 40 branch offices. The main office and 30 of the branch offices are located in North America and use a dedicated 20-megabits per second (Mbps) Multiprotocol Label Switching (MPLS) link.
The remaining 10 branch offices are located in India and are connected to the main office by a virtual private network (VPN) site-to-site link. Each branch office includes 100 clients and two multipurpose servers.
Employees from the branch offices will use the Lync client for peer-to-peer audio communications with employees at the main office. You need to identify the number of offices required to test Lync readiness. What is the minimum number of offices you should include?
A. 2
B. 3
C. 40
D. 41
