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JN0-648 · Question #48
JN0-648 Question #48: Real Exam Question with Answer & Explanation
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Question
Which two statements are true about IS-IS levels? (Choose two.)
Options
- ALevel 2 systems do not advertise Level 2 routes into a Level area by default.
- BLevel 2 systems must use the loopback address as a part of the ISO network address.
- CLevel 1 system only from adjacencies with other systems that have different area IDs.
- DLevel 1 systems use a default route to reach AS external routes located in other areas.
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