Which two mandatory tasks must an IS-IS NSF-capable router perform for RP switchover? (Choose
two.)
A.
Relearn the available IS-IS neighbors.
B.
Reacquire the contents of the LSD.
C.
Reset peering with the available IS-IS neighbors.
D.
Keep the existing contents of the LSD.
E.
Rediscover DIS for each link segment.