Which two circumstances can prevent two routers from establishing an OSPF neighbor adjacency? (Choose two.)
A) mismatched autonomous system numbers
B) an ACL blocking traffic from multicast address 224.0.0.10
C) mismatched process IDs
D) mismatched hello timers and dead timers
E) use of the same router ID on both devices

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The Answer of Which two circumstances can prevent two routers from establishing an OSPF neighbor adjacency? (Choose two.)
A) mismatched autonomous system numbers
B) an ACL blocking traffic from multicast address 224.0.0.10
C) mismatched process IDs
D) mismatched hello timers and dead timers
E) use of the same router ID on both devices

Which Two Circumstances Can Prevent Two Routers from Establishing an OSPF