What does the term 'duplex' refer to in the context of network communications?
A type of error-checking protocol
The physical layout of a network
The mode in which two devices can send and receive data
The maximum data rate that can be supported by a network
Duplex communication refers to the mode of communication between two devices. Full duplex allows both devices to send and receive data simultaneously, enhancing communication efficiency. Half duplex permits devices to either send or receive data at a time, not both, causing potential delays in two-way communication. Simplex, involving only one-way communication, does not facilitate interactive data flow as required in most network setups.
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