Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q51: Fill in the blank: _______ mode enables simultaneous two-way communication between devices.
- A: Simplex
- B: Full-Duplex
- C: Half-Duplex
- D: Bidirectional-Duplex
View Answer
B
Q52: What is an example of a simplex communication system?
- A: Telephone
- B: Television
- C: Walkie-talkie
- D: Internet
View Answer
B
Q53: Which data flow method is most commonly used in telephone conversations?
- A: Simplex
- B: Full-Duplex
- C: Half-Duplex
- D: None of the above
View Answer
B
Q54: Fill in the blank: In _______ communication, devices take turns sending and receiving data.
- A: Simplex
- B: Half-Duplex
- C: Full-Duplex
- D: Multi-Duplex
View Answer
B
Q55: Which of the following is NOT a characteristic of full-duplex communication?
- A: Simultaneous two-way data transfer
- B: Higher efficiency
- C: Data flows in one direction only
- D: Better utilization of bandwidth
View Answer
C
Q56: Fill in the blank: A walkie-talkie uses _______ data flow.
- A: Simplex
- B: Full-Duplex
- C: Half-Duplex
- D: Bidirectional
View Answer
C
Q57: Which communication method shown in the diagram is unidirectional?
- A: Simplex
- B: Half-Duplex
- C: Full-Duplex
- D: None of the above
View Answer
A
Q58: In which communication method does the direction of data alternate?
- A: Full-Duplex
- B: Simplex
- C: Half-Duplex
- D: Bidirectional-Duplex
View Answer
C
Q59: Fill in the blank: In _______ communication, data flows in both directions at the same time.
- A: Simplex
- B: Half-Duplex
- C: Full-Duplex
- D: Multi-Duplex
View Answer
C
Q60: Which type of communication method is suitable for video conferencing?
- A: Simplex
- B: Full-Duplex
- C: Half-Duplex
- D: One-way communication
View Answer
B