SMA/CD (copyright Sense Multiple Access with Collision Detection) is used in wired networks like Ethernet to detect collisions and resend data when collisions occur. CSMA/CA (copyright Sense Multiple Access with Collision Avoidance) is used in wireless networks like Wi-Fi to avoid collisions by waiting before transmitting and using acknowledgments. Key Difference: CSMA/CD detect... https://www.uninets.com/blog/csma-ca-vs-csma-cd-difference