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Mr. Dubey • 100.69K Points
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Q. Which of the following is the multiple access protocol for channel access control?

  • (A) csma/cd
  • (B) csma/ca
  • (C) both csma/cd & csma/ca
  • (D) hdlc
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Explanation by: Mr. Dubey
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.

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