Question

Which among the following is false about the routing issue link failure?

a.

Interference is a route metric used to represent link failure

b.

Link capacity is a route metric used to represent link failure

c.

Link failure is caused by the displacement of an intermediary node

d.

Link failure is caused by the arrival of the primary user

Posted under Cognitive Radio

Answer: (b).Link capacity is a route metric used to represent link failure Explanation:Link failure arises due to the arrival of a primary user or due to the lack of replacement of a displaced intermediary node. Link failure, depending on the triggering event, may be recovered by employing an extra power signal.

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Q. Which among the following is false about the routing issue link failure?
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