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