Description : What is CSMA/CA?
Last Answer : ∙ CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) is a protocol for carrier transmission in 802.11 networks. ∙ CSMA/CA acts to prevent collisions before they happen. ∙ In CSMA/CA, as soon as a node receives a packet that is to be sent, it checks to be sure the channel is clear.