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Refer to the Exhibits

Question 101

Multiple Choice

Refer to the exhibits. R1 and R2 are directly connected and IS-IS routing has been enabled between R1 and R2. R1 generates the above log message periodically. Based on this output, which statement is true? A) IS-IS neighbor authentication is failing for Level 2 PDUs only. B) IS-IS neighbor authentication is failing for Level 2 first and then for Level 1 PDUs. C) IS-IS neighbor authentication is failing for Level 1 and Level 2 PDUs. D) IS-IS neighbor authentication is failing for Level 1 PDUs only. Refer to the exhibits. R1 and R2 are directly connected and IS-IS routing has been enabled between R1 and R2. R1 generates the above log message periodically. Based on this output, which statement is true?


A) IS-IS neighbor authentication is failing for Level 2 PDUs only.
B) IS-IS neighbor authentication is failing for Level 2 first and then for Level 1 PDUs.
C) IS-IS neighbor authentication is failing for Level 1 and Level 2 PDUs.
D) IS-IS neighbor authentication is failing for Level 1 PDUs only.

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