When the IS-IS overhead type is Narrow, which of the following TLVs are used to carry IS-IS routing information inside and outside the routing domain? (Multiple choice)

The correct answer is A. 128 D. 130. See the full explanation below for the reasoning.

Question

When the IS-IS overhead type is Narrow, which of the following TLVs are used to carry IS-IS routing information inside and outside the routing domain? (Multiple choice)

Options

A128
B129
C122
D130

How the community answered

(32 responses)

A
72% (23)
B
19% (6)
C
9% (3)

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