What is the maximum number of call-processing subscribers in a standard deployment of a Cisco
Unified Communications Manager Session Management Edition cluster?

A.
3

B.
4

C.
5

D.
8

E.
16

Explanation:
There is no deployment difference between CUCM & CUCM session management Edition cluster.
The only difference is that CUCM SME is designed to support a large number of trunk to trunk
connections. Thus, 8 subscribers.