Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1641: Which switching method is used in traditional telephone systems?
- A: Packet switching
- B: Message switching
- C: Circuit switching
- D: Internet switching
View Answer
C
Q1642: In circuit switching, a 4x8 switch means:
- A: 4 outputs, 8 inputs
- B: 4 processors, 8 memory slots
- C: 4 inputs, 8 outputs
- D: 8 switches with 4 channels each
View Answer
C
Q1643: Fill in the blank: ______ switching dedicates a full communication path before transmission starts.
- A: Circuit
- B: Message
- C: Packet
- D: Logical
View Answer
A
Q1644: Which of the following allows full-duplex voice communication in circuit-switched networks?
- A: Only TDM
- B: Only routers
- C: Use of FDM or TDM
- D: Both FDM and TDM
View Answer
D
Q1645: How many phases are involved in communication over a circuit-switched network?
- A: Two
- B: Three
- C: Four
- D: Five
View Answer
B
Q1646: Which of the following is the first phase in circuit-switched communication?
- A: Data Transfer
- B: Connection Teardown
- C: Connection Setup
- D: Session Initialization
View Answer
C
Q1647: Fill in the blank: The actual communication in a circuit-switched network starts with ______.
- A: Data Transfer
- B: Connection Setup
- C: Connection Teardown
- D: Signal Amplification
View Answer
B
Q1648: Which phase comes immediately after connection setup in a circuit-switched network?
- A: Connection teardown
- B: Data buffering
- C: Data transfer
- D: Signal routing
View Answer
C
Q1649: Fill in the blank: The final phase in circuit-switched communication is ______.
- A: Connection Teardown
- B: Connection Setup
- C: Session Control
- D: Packet Routing
View Answer
A
Q1650: Which of the following correctly represents the order of phases in circuit-switched communication?
- A: Connection Teardown → Data Transfer → Connection Setup
- B: Connection Setup → Data Transfer → Connection Teardown
- C: Data Transfer → Connection Setup → Teardown
- D: Session Init → Teardown → Transfer
View Answer
B