Referring to the outputs shown in the exhibit, which two statements are correct about the IS-IS adjacency? (Choose two.)

The correct answer is A. R1 is configured to participate in both Level 1 and Level 2. D. R2 is configured to participate in Level 2 only. R2 has circuit type 2 which means that R2 is configured to participate in Level 2 only, answer D is R1 has circuit type 3 which means that R1 is configured to participate in both Level 1 and Level 2, answer A is correct.

Advanced IS-IS

Question

Exhibit

Options

AR1 is configured to participate in both Level 1 and Level 2.
BR2 is configured to participate in both Level 1 and Level 2.
CR1 is configured to participate in Level 2 only.
DR2 is configured to participate in Level 2 only.

How the community answered

(26 responses)

A
85% (22)
B
12% (3)
C
4% (1)

Explanation

R2 has circuit type 2 which means that R2 is configured to participate in Level 2 only, answer D is R1 has circuit type 3 which means that R1 is configured to participate in both Level 1 and Level 2, answer A is correct.

Topics

#IS-IS adjacency#Level 1#Level 2#IS-IS levels

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