Telecommunication Switching MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: December 12, 2024

1. What is the purpose of switching in telecommunication networks?

  • A) To amplify signals
  • B) To route data from source to destination
  • C) To convert analog signals to digital
  • D) To reduce transmission delays

Answer: B) To route data from source to destination


2. Which of the following is NOT a type of switching technique?

  • A) Circuit switching
  • B) Packet switching
  • C) Message switching
  • D) Bandwidth switching

Answer: D) Bandwidth switching


3. In circuit switching, what happens when the connection is established?

  • A) A dedicated communication path is reserved
  • B) Data is split into packets
  • C) Messages are stored before forwarding
  • D) Data is transmitted without confirmation

Answer: A) A dedicated communication path is reserved


4. Which type of switching is used in the Internet?

  • A) Circuit switching
  • B) Packet switching
  • C) Message switching
  • D) Frequency switching

Answer: B) Packet switching


5. What is the primary disadvantage of circuit switching?

  • A) High latency
  • B) Inefficient use of bandwidth
  • C) Data loss during transmission
  • D) Incompatibility with analog signals

Answer: B) Inefficient use of bandwidth


6. What happens in packet switching?

  • A) Data is sent as a continuous stream
  • B) Data is broken into packets and transmitted independently
  • C) A dedicated circuit is established before data transmission
  • D) Messages are stored and forwarded

Answer: B) Data is broken into packets and transmitted independently


7. Which switching technique is known for “store and forward” mechanism?

  • A) Circuit switching
  • B) Message switching
  • C) Packet switching
  • D) Hybrid switching

Answer: B) Message switching


8. Which of the following is an advantage of packet switching?

  • A) Real-time communication
  • B) Reduced latency
  • C) Efficient use of bandwidth
  • D) Guaranteed delivery time

Answer: C) Efficient use of bandwidth


9. What is a “switching node” in telecommunication networks?

  • A) A point where data packets are encrypted
  • B) A device that routes data to the correct destination
  • C) A device that generates data packets
  • D) A storage device for message switching

Answer: B) A device that routes data to the correct destination


10. Which type of switching is typically used in traditional telephone networks?

  • A) Circuit switching
  • B) Packet switching
  • C) Message switching
  • D) Frequency switching

Answer: A) Circuit switching