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JN0-694 · Question #42
JN0-694 Question #42: Real Exam Question with Answer & Explanation
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Question
You are trying to establish an OSPF adjacency between R1 and R2, but the adjacency does not establish. user@R1> show ospf neighbor Address Interface State ID Pri Dead 10.222.0.2 ge-0/0/1.0 Init 10.222.1.2 128 32 user@R1> show ospf interface detail Interface State Area DR ID BDR ID Nbrs ge-0/0/1.0 DR 0.0.0.0 10.222.1.1 0.0.0.0 1 Type: LAN, Address: 10.222.0.1, Mask: 255.255.255.252, MTU: 1500, Cost: 1 DR addr: 10.222.0.1, Priority: Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: MD5, Active key ID. 10, Start time: 1970 Jan 1 00:00:00 UTC Protection type: None Topology default (ID 0) -> Cost: 1 lo0.0 DR 0.0.0.0 10.222.1.1 0.0.0.0 0 Type: LAN, Address: 10.222.1.1, Mask: 255.255.255.255, MTU: 65535, Cost: 0 DR addr: 10.222.1.1, Priority: 128 Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: None Protection type: None Topology default (ID 0) -> Cost: 0 user@R2> show ospf neighbor user@R2> show ospf interface detail Interface State Area DR ID BDR ID Nbrs ge-0/0/1.0 PtToPt 0.0.0.0 0.0.0.0 0.0.0.0 0 Type: P2P, Address: 10.222.0.2, Mask: 255.255.255.252, MTU: 1500, Cost: 1 Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: MD5, Active key ID. 10, Start time: 1970 Jan 1 00:00:00 UTC Protection type: None Topology default (ID 0) -> Cost: 1 lo0.0 DR 0.0.0.0 10.222.1.2 0.0.0.0 0 Type: LAN, Address: 10.222.1.2, Mask: 255.255.255.255, MTU: 65535, Cost: 0 DR addr: 10.222.1.2, Priority: 128 Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: None Protection type: None Topology default (ID 0) -> Cost: 0 Referring to the exhibit, what is causing the adjacency to fail?
Options
- AThe MD5 key ID values are mismatched between R1 and R2.
- BR1 has both family inet and family iso configured on the link toward R2.
- CThe IP subnet mask is mismatched between R1 and R2.
- DThe interface type is mismatched between R1 and R2.
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