Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q61: Fill in the blank: A monitor connected to a mainframe is an example of _______ communication.
- A: Simplex
- B: Full-Duplex
- C: Half-Duplex
- D: None of the above
View Answer
A
Q62: What type of communication is used in walkie-talkies as shown in the diagram?
- A: Simplex
- B: Half-Duplex
- C: Full-Duplex
- D: Transmission
View Answer
B
Q63: Fill in the blank: The _______ in a network is responsible for connecting multiple devices.
- A: Host
- B: Connecting Device
- C: Endpoint
- D: Router
View Answer
B
Q64: What does the term "host" refer to in the context of networks?
- A: A connecting device
- B: A device capable of communication
- C: A network protocol
- D: None of the above
View Answer
B
Q65: Which of the following is NOT a type of communication network?
- A: Local Area Network
- B: Wide Area Network
- C: Simplex Network
- D: Metropolitan Area Network
View Answer
C
Q66: Fill in the blank: In a network, _______ devices serve as points for sending or receiving data.
- A: Host
- B: Connecting Device
- C: Half-Duplex
- D: Simplex
View Answer
A
Q67: What is a key criterion for evaluating network performance?
- A: Delay
- B: Security
- C: Reliability
- D: Protocol
View Answer
A
Q68: Which of the following directly affects network throughput?
- A: Performance
- B: Reliability
- C: Bandwidth
- D: Security
View Answer
C
Q69: Fill in the blank: A network's _______ determines its ability to handle faults effectively.
- A: Performance
- B: Security
- C: Reliability
- D: Throughput
View Answer
C
Q70: What is the primary focus of network security?
- A: Reducing delay
- B: Preventing unauthorized access
- C: Increasing throughput
- D: Monitoring reliability
View Answer
B