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Which multiple access technique is used by $\text{IEEE  } 802.11$ standard for wireless $\text{LAN}$ ?

  1. $\text{CDMA}$
  2. $\text{CSMA/CA}$
  3. $\text{ALOHA}$
  4. None of the options
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Option B is correct
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CSMA/CA stands for Carrier-sense multiple access/collision avoidance. It is a multiple access protocol used by IEEE 802.11 standard for wireless LAN. It's based on the principle of collision avoidance by using different algorithms to avoid collisions between channels.

CSMA/CD:- use IEEE 802.3  multiple access protocol lan.

option B

Answer:

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