Which of the following lists the three main types of datalinks?

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Multiple Choice

Which of the following lists the three main types of datalinks?

Explanation:
Datalink communication modes describe how data can flow between two points: simplex is one-way only, half-duplex allows two-way communication but not at the same time, and full-duplex lets two devices transmit and receive simultaneously. The option that lists Simplex, Half-Duplex, and Duplex fits best because “duplex” here is commonly used to indicate the full-duplex mode, giving the complete set of three common datalink directions. The other choices mix in multiplexing concepts or addressing styles like broadcast or multicast, which aren’t the basic directional modes of a datalink.

Datalink communication modes describe how data can flow between two points: simplex is one-way only, half-duplex allows two-way communication but not at the same time, and full-duplex lets two devices transmit and receive simultaneously. The option that lists Simplex, Half-Duplex, and Duplex fits best because “duplex” here is commonly used to indicate the full-duplex mode, giving the complete set of three common datalink directions. The other choices mix in multiplexing concepts or addressing styles like broadcast or multicast, which aren’t the basic directional modes of a datalink.

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