CSMACD in wireless Compared to wired networks state two reas
(CSMA/CD in wireless?) Compared to wired networks, state two reasons why CSMA/CD is not appropriate in the
context of wireless networks.
Solution
CSMA CA operates by sensing the state of the medium in order to prevent or recover from a collision. A collision happens when two transmitters transmit at the same time. The data gets scrambled, and the receivers would not be able to discern one from the other thereby causing the information to get lost. The lost information needs to be resent so that the receiver will get it.
CSMA CD operates by detecting the occurrence of a collision. Once a collision is detected, CSMA CD immediately terminates the transmission and again it starts listening whether any data transmitting or not.
CSMA CA does not deal with the recovery after a collision. It check whether the medium is in use or not. If it is busy, then the transmitter waits until it is idle state, before it starts transmitting data. This effectively minimizes the possibility of collisions and makes more efficient use of the medium.
CSMA CA reduces the possibility of a collision it is used in wireless network while CSMA CD only minimizes the recovery time after collision which will occur frequently in wired network so this CSMA CD helps here better
