Vaidikalaya

MCQ On Transmission Modes

Q1. Which transmission mode allows communication in only one direction? SSC CHSL 2019.
  1. Full-duplex
  2. Half-duplex
  3. Simplex
  4. Duplex

Answer: c, Simplex

Solution: Simplex is one?way communication, e.g., keyboard ? computer.

Q2. In which mode can both sender and receiver transmit but not simultaneously? GATE 2017.
  1. Full-duplex
  2. Half-duplex
  3. Simplex
  4. Parallel

Answer: b, Half-duplex

Solution: Half?duplex allows two?way but not at the same time.

Q3. Walkie-Talkie works in which transmission mode? RRB JE 2015.
  1. Full-duplex
  2. Half-duplex
  3. Simplex
  4. Time-division duplex

Answer: b, Half-duplex

Solution: Walkie?talkies allow only one person to speak at a time.

Q4. Which of the following is an example of full-duplex communication? SSC CGL 2020.
  1. Radio broadcasting
  2. Walkie-talkie
  3. Mobile phone
  4. Telegraph

Answer: c, Mobile phone

Solution: Mobile phones support simultaneous sending and receiving.

Q5. Data transmission in both directions at the same time is called: Polytechnic 2018.
  1. Simplex
  2. Full-duplex
  3. Half-duplex
  4. Multiplexing

Answer: b, Full-duplex

Solution: Full?duplex supports simultaneous two?way communication.

Q6. Simplex communication is used in: IBPS IT Officer 2016.
  1. Video conferencing
  2. Telephone
  3. Keyboard to computer
  4. Intercom

Answer: c, Keyboard to computer

Solution: Keyboard sends data to computer but cannot receive.

Q7. Which mode is the fastest among the three transmission modes? University BCA 2022.
  1. Simplex
  2. Half-duplex
  3. Full-duplex
  4. Mono-duplex

Answer: c, Full-duplex

Solution: Full?duplex allows both devices to communicate at the same time.

Q8. In computer networks, transmission mode refers to: SSC GD 2021.
  1. Speed of transmission
  2. Direction of data flow
  3. Type of cables
  4. Network architecture

Answer: b, Direction of data flow

Solution: Transmission mode defines how data travels between devices.

Q9. Which mode is used in Ethernet LANs for simultaneous send/receive? GATE 2015.
  1. Full-duplex
  2. Half-duplex
  3. Simplex
  4. Parallel duplex

Answer: a, Full-duplex

Solution: Modern Ethernet supports simultaneous sending and receiving.

Q10. Television broadcasting uses which transmission mode? State PSC 2020.
  1. Full-duplex
  2. Half-duplex
  3. Simplex
  4. Duplex

Answer: c, Simplex

Solution: TV broadcasting is one?way: station ? viewers.