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Computer Networks
Data Link Layer
Q
Which of the following is the multiple access protocol for channel access control?
AA. Csma/cd
BB. Csma/ca
CC. Both csma/cd & csma/ca
DD. Hdlc
Correct Answer:
C. C. Both csma/cd & csma/ca
Explanation:
In CSMA/CD, it deals with detection of collision after collision has occurred, whereas CSMA/CA deals with preventing collision. CSMA/CD is abbreviation for Carrier Sensing Multiple Access/Collision detection. CSMA/CA is abbreviation for Carrier Sensing Multiple Access/Collision Avoidance. These protocols are used for efficient multiple channel access.