What should be configured to accomplish this goal?

An administrator sets up conference resources by using a clustered Cisco Meeting Server deployment for video endpoints that are registered to Expressway. The administrator must ensure that no single server gets overloaded within the cluster .

What should be configured to accomplish this goal?
A . a record with the cluster FQDN of the Cisco Meeting Server in the external DNS servers.
B . Expressway-C as the traversal client to Expressway-
D . Cisco Meeting Server and Expressway-C in the same domain.
E . a separate zone for Cisco Meeting Server servers in the cluster.

Answer: D