cisco · 300-320 · Q428 · multiple_response · topic_1

What are two methods of ensuring that the multicast RPF check passes without changing the unicast routing table? (Choos…

What are two methods of ensuring that the multicast RPF check passes without changing the unicast routing table? (Choose two.)

A.disabling the interface of the router back to the multicast source
B.disabling BGP routing protocol
C.implementing MBGP
D.implementing OSPF routing protocol
E.implementing static mroutes

Explanation

Shouldn't the correct answer be CE? How is A correct? Wouldn't disabling the router interface that connects back to the source change the unicast route in the routing table of the router?

Reference: examtopics_top_comment

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