You have recently installed a second Routing Engine (RE) in your router
Which two statements correctly describe the expected behavior if the primary RE fails? (Choose two.)
A . The backup RE will assume the master role once the packet forwarding engine restarts
B . The backup RE will immediately assume the master role
C . The new master RE restarts the routing protocol process (rpd) and establishes any required adjacencies based on the configuration.
D . The new master RE maintains the existing protocol adjacencies initially established by the previous master RE
Answer: A,C