Multiple choice

Which of the following transmission techniques lets you send and receive data alternatively?

  1. Simplex

  2. Half duplex

  3. Full duplex

  4. Multiplexing

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Half-duplex transmission allows two-way communication but not simultaneously - data flows in one direction at a time, alternating between send and receive. Simplex is one-way only, full-duplex is bidirectional simultaneously.