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Computer Networks
Multiple Access Links Protocols
Q
Which of the following type of multiple access protocols uses a scheme called “Authorization from other stations”?
AA. Random access protocol
BB. Controlled access protocol
CC. Channelization
DD. Persistent method
Correct Answer:
B. B. Controlled access protocol
Explanation:
In controlled access protocols, stations send frames only if they get the authorization from the other stations to use the channel. This authorization can be obtained using methods such as reservation, polling, token passing.
