Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1651: What happens during the Connection Teardown phase?
- A: The data is transferred
- B: The connection is released
- C: The circuit is activated
- D: The network is reconfigured
View Answer
B
Q1652: In circuit-switching, which phase ensures the channel is reserved before sending data?
- A: Connection Setup
- B: Connection Teardown
- C: Data Transfer
- D: Initialization
View Answer
A
Q1653: Fill in the blank: Data transfer cannot begin until ______ is complete in a circuit-switched network.
- A: Connection Teardown
- B: Connection Setup
- C: Signal Interruption
- D: Error Detection
View Answer
B
Q1654: Which of these is NOT a phase in circuit-switched communication?
- A: Connection Setup
- B: Data Transfer
- C: Connection Re-routing
- D: Connection Teardown
View Answer
C
Q1655: During which phase is the actual information transmitted in a circuit-switched network?
- A: Connection Setup
- B: Connection Teardown
- C: Data Transfer
- D: Session Control
View Answer
C
Q1656: Why is a circuit-switched network considered less efficient than packet-switched networks?
- A: It uses fewer links
- B: It allocates resources dynamically
- C: Resources are allocated throughout the connection
- D: There is no data compression
View Answer
C
Q1657: Fill in the blank: Circuit-switched networks allocate resources ______.
- A: only when needed
- B: after connection teardown
- C: throughout the entire session
- D: during data loss
View Answer
C
Q1658: Which of the following is a major limitation of circuit-switched networks in data communication?
- A: High noise
- B: Slow speed
- C: Low efficiency
- D: Low security
View Answer
C
Q1659: What is the major advantage of circuit-switched networks regarding delay?
- A: High delay at each switch
- B: Minimal delay throughout connection
- C: Intermittent delays
- D: Lossy transmission
View Answer
B
Q1660: Fill in the blank: Circuit-switched networks have ______ delay because data is not held up at each switch.
- A: minimal
- B: significant
- C: random
- D: long
View Answer
A