Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner?

A multicast network is sing Bidirectional PIM.

Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two)
A . Use two phantom RP addresses
B. Manipulate the administration distance of the unicast routes to the two RPs
C. Manipulate the multicast routing table by creating static mroutes to the two RPs
D. Advertise the two RP addresses in the routing protocol
E. Use anycast RP based on MSDP peering between the two RPs
F. Control routing to the two RPs through a longest match prefix

View Answer

Answer: A,F

Explanation:

https://community.cisco.com/t5/networking-knowledge-base/rp-redundancy-with-pim-bidir-phantom-rp/ta-p/3117191