What are two ways that the carrier-sense multiple access with collision detection (CSMA/CD) MAC protocol helps devices “talk” with each other in an Ethernet network? (Choose two.)
A.
It allows an Ethernet device to check to see if anything else is transmitting before trying to send
B.
It allows a network device to either transmit data or receive data
C.
It operates in half-duplex or full-duplex mode
D.
It allows a network device to transmit and receive data simultaneously
Chosen Answer:
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