Distinguish between CSMA/CD and CSMA/CA

CSMA/CD	CSMA/CA
Stands for carrier sense multiple access with collision detection.	Collision avoidance.
Here,device monitors the media for the presence of a data signal.	Here, device examines the media for the presence of a data signal.
This method is used by 802.3 Ethernet network.	This method is used by 802.11 Ethernet network.
It can only detect error.	It can detect error and also solve the error.
It can achieve upto 70% efficiency and heavy load.	Only achieve upto 30%.
It does not take any often to prevent collision.	can take.
CSMA/CD is used at wired network.	Wireless.
CSMA/CD is more popular than CSMA/CA.	CSMA/CA is less popular than CSMA/CD.

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