Question

Which among the following does not cause performance degradation on TCP level?

a.

Link error

b.

Packet loss

c.

Admission control

d.

Access delay

Posted under Cognitive Radio

Answer: (d).Access delay Explanation:Transmission Control Protocol is a connection oriented, reliable, end to end protocol of the transport layer. TCP generally exhibits performance degradation in wireless networks due to a high packet loss rate. Cognitive radio introduces new challenges such as interruption due to loss of availability of a channel.

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Q. Which among the following does not cause performance degradation on TCP level?
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