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Carrier Sense Multiple Access / Collision Detection (CSMA/CD) CSMA is an early MAC Address based ethernet protocol to verify that no other node is transmitting before sending data along early coaxial and twisted pair networks (Half Duplex Networks). It was later modified to include collision detection(CD) to terminate the transmission if a collision is detected.… Read More »https://learnlearn.uk/alevelcs/wp-content/uploads/sites/20/2020/02/coaxial-cable-1-300x56.jpg?_t=1612390979