Which of the following causes may result in an IS-IS neighbor relationship fault?
A) The devices on two ends of a link have the same system ID.
B) The devices on two ends of a link have inconsistent IS-IS levels.
C) When an IS-IS Level-1 neighbor relationship is established, the devices on two ends of a link have inconsistent area addresses.
D) The IP addresses of interfaces on two ends of a link are on different network segments.
E) None of the above
Correct Answer:
Verified
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