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JN0-660 · Question #186
JN0-660 Question #186: Real Exam Question with Answer & Explanation
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Question
You want to use IS-IS on a GRE interface where the underlying Layer 3 MTU is 1500. Which statement is correct?
Options
- AIS-IS can be used because every IS-IS interface must be capable of transmitting packets at least
- BIS-IS cannot be used because the IS-IS hello is not allowed to be fragmented and has the DF bit
- CIS-IS can be used, but the networking device directly attached to the circuit must be capable of
- DIS-IS cannot be used, but the router can enable a GRE key that serves the same function as IS-
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