What is the difference between operating in half-duplex mode or full-duplex mode and why does it eliminate collisions?
What will be an ideal response?
Half-duplex communication means a station can transmit and receive data but not at the same time, much like a two-way radio. Full-duplex mode, by definition, means a NIC can transmit and receive simultaneously. Therefore, when an Ethernet NIC is operating in full-duplex mode connected to a switch, CSMA/CD isn't used because a collision can't occur in full-duplex mode. Because fullduplex mode eliminates the delays caused by CSMA/CD and allows double the network bandwidth, most Ethernet LANs now operate in this mode using switches.
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