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JN0-660 · Question #449
JN0-660 Question #449: Real Exam Question with Answer & Explanation
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Question
You want to establish an IS-IS Level 1 adjacency between two routers. The adjacency is not forming. Which three reasons would account for this issue? (Choose three.)
Options
- AA lack of or a malformed ISO network entity title (NET) on the loopback interface would cause this issue.
- BThe interface MTU might be less than 1492.
- CThe IS-IS protocol on the loopback interface has not been enabled.
- DThe area IDs might be matched and should be set differently.
- EAn ISO NET might not be configured on the physical interface.
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