Choose the statements that describe Bootstrap Router mechanism. (Choose three)
A . It is a mechanism to distribute RP-set information dynamically
B . The bootstrap router gets and propagates RP information via multicast messages
C . The bootstrap router gets and propagates RP information via unicast and multicast messages
D . BSR relies on timers to discover that an RP-Candidate router is no longer available
E . For BSR to work, every router in the multicast network should be configured as BSR candidate
Answer: A,C,D