Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q161: What is the primary challenge of packet-switched networks?
- A: High cost
- B: Data ordering and reliability
- C: Complex circuit design
- D: Limited scalability
View Answer
B
Q162: Packet-switched networks divide data into _______.
- A: Frames
- B: Packets
- C: Blocks
- D: Streams
View Answer
B
Q163: In circuit switching, what happens when the communication ends?
- A: The circuit remains open
- B: The circuit is released
- C: The data is stored
- D: The network shuts down
View Answer
B
Q164: Which of these is an example of a packet-switched network?
- A: PSTN (Public Switched Telephone Network)
- B: Internet
- C: Analog phone system
- D: Telegraphy
View Answer
B
Q165: Fill in the blank: Packet-switched networks rely on _______ for routing data.
- A: Static connections
- B: Dynamic routing algorithms
- C: Manual configurations
- D: Fixed circuits
View Answer
B
Q166: What is a significant advantage of packet-switched networks?
- A: High latency
- B: Scalability and resource sharing
- C: High cost
- D: Fixed bandwidth
View Answer
B
Q167: Which type of network requires call setup before data transfer?
- A: Packet-Switched
- B: Circuit-Switched
- C: Broadcast Network
- D: None of these
View Answer
B
Q168: Fill in the blank: In _______ networks, resources are reserved for the duration of a connection.
- A: Packet-Switched
- B: Circuit-Switched
- C: Star Network
- D: Hybrid Network
View Answer
B
Q169: Which type of switching is primarily used in the Internet?
- A: Circuit-Switched
- B: Packet-Switched
- C: Message-Switched
- D: Hybrid Switching
View Answer
B
Q170: What does a packet contain in a packet-switched network?
- A: Header, data, and trailer
- B: Only data
- C: Data and metadata
- D: Only a header
View Answer
A