Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1711: In virtual-circuit networks, which of the following is NOT true?
- A: Setup is required before data transmission
- B: All packets follow the same path
- C: Each packet is independently routed
- D: Packets contain virtual circuit numbers
View Answer
C
Q1712: Which of these is not an element of a virtual circuit?
- A: Connection setup
- B: Connection teardown
- C: Global path reservation
- D: Data transfer
View Answer
C
Q1713: Fill in the blank: In virtual-circuit networks, the label used to identify the path is called ______.
- A: MAC
- B: VCI
- C: Port
- D: Socket
View Answer
B
Q1714: What are the two main technologies used in circuit switching today?
- A: Packet switching and multiplexing
- B: Space-Division and Packet Switching
- C: Space-Division and Time-Division Switching
- D: Multiplexing and Broadcasting
View Answer
C
Q1715: What does a Time-Division Switch use inside the switch?
- A: Space Allocation
- B: Packet Buffers
- C: Time-Slot Interchange (TSI)
- D: Multiplexed Frames
View Answer
C
Q1716: Which switch type connects inputs to outputs directly via a grid-like structure?
- A: Multistage Switch
- B: Crossbar Switch
- C: Router
- D: Bridge
View Answer
B
Q1717: The most popular technology used in Time-Division Switching is ______.
- A: Time Multiplexing
- B: Frame Switching
- C: Time-Slot Interchange
- D: Serial Conversion
View Answer
C
Q1718: A Crossbar switch with 3 inputs and 4 outputs will have how many crosspoints?
- A: 12
- B: 7
- C: 9
- D: 10
View Answer
A
Q1719: Time-Division Switching is based on which technique?
- A: CSMA
- B: FDMA
- C: TDM
- D: OFDM
View Answer
C
Q1720: Which switch allows reuse of the same time slots at different stages to save space?
- A: Crossbar Switch
- B: Single-stage Switch
- C: Multistage Switch
- D: Hub Switch
View Answer
C