You have inherited the routing redundancy configuration shown in the exhibit. Router A is the
current VRRP-E master. Your network is not failing over to router B. What needs to be added to
configure router B as a backup and maintain the current master?

A.
backup priority 100 track-priority 20

B.
backup priority 110 track-priority 20

C.
backup priority 120 track-priority 20

D.
backup priority 130 track-priority 20