When configuring backup on the Cisco ROSA EM. What information must be entered for
each device that is connected to a video router?

A.
the physical port connections of the backup equipment to the router

B.
the physical port connections of the primary equipment to the router

C.
the physical port connections of the backup and primary equipment to the router relations

D.
relations between the router and the primary and backup equipment in the DHB

Explanation: