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It refers to how data is transmitted and received over a connection—whether it can go one way or both at the same time.
What does duplex mean in networking?
Data can travel in both directions, but only one direction at a time (like a walkie-talkie).
What is half-duplex communication?
Data can travel in both directions simultaneously (like a phone call).
What is full-duplex communication?
Collisions, slow speeds, and communication issues due to one side being full and the other half.
What can happen if duplex settings are mismatched on a link?