Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 6
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
Correct Answer:
A
Chapter: 6
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
Correct Answer:
B
Chapter: 6
Q63:
Fill in the blank: The _______ in a network is responsible for connecting multiple devices.
A. Host
B. Connecting Device
C. Endpoint
D. Router
Correct Answer:
B
Chapter: 6
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
Correct Answer:
B
Chapter: 6
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
Correct Answer:
C
Chapter: 6
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
Correct Answer:
A
Chapter: 7
Q67:
What is a key criterion for evaluating network performance?
A. Delay
B. Security
C. Reliability
D. Protocol
Correct Answer:
A
Chapter: 7
Q68:
Which of the following directly affects network throughput?
A. Performance
B. Reliability
C. Bandwidth
D. Security
Correct Answer:
C
Chapter: 7
Q69:
Fill in the blank: A network's _______ determines its ability to handle faults effectively.
A. Performance
B. Security
C. Reliability
D. Throughput
Correct Answer:
C
Chapter: 7
Q70:
What is the primary focus of network security?
A. Reducing delay
B. Preventing unauthorized access
C. Increasing throughput
D. Monitoring reliability
Correct Answer:
B
Chapter: 7
Q71:
Fill in the blank: _______ is used to measure the amount of data transmitted successfully.
A. Delay
B. Security
C. Throughput
D. Reliability
Correct Answer:
C
Chapter: 7
Q72:
Which of the following is NOT a network evaluation criterion?
A. Performance
B. Reliability
C. Transmission mode
D. Security
Correct Answer:
C
Chapter: 7
Q73:
Fill in the blank: The time taken for a packet to travel from source to destination is called _______.
A. Throughput
B. Bandwidth
C. Delay
D. Speed
Correct Answer:
C
Chapter: 7
Q74:
What aspect of a network prevents data breaches and unauthorized activities?
A. Reliability
B. Security
C. Throughput
D. Delay
Correct Answer:
B
Chapter: 7
Q75:
Which of the following directly impacts network reliability?
A. Fault tolerance
B. Delay
C. Throughput
D. Security
Correct Answer:
A
Chapter: 7
Q76:
What is the type of connection where data is transmitted between two nodes directly?
A. Point-to-Point
B. Multipoint
C. Broadcast
D. Wi-Fi
Correct Answer:
A
Chapter: 7
Q77:
What is the characteristic of a Point-to-Point connection?
A. It connects multiple devices
B. It connects two devices
C. It connects more than two devices
D. It uses wireless transmission
Correct Answer:
B
Chapter: 7
Q78:
Which of the following is a type of physical structure in networking?
A. Star topology
B. Point-to-Point
C. Mesh structure
D. Bus network
Correct Answer:
B
Chapter: 7
Q79:
Which of the following is a physical structure that supports data transmission between multiple devices?
A. Point-to-Point
B. Multipoint
C. Peer-to-Peer
D. Ring network
Correct Answer:
B
Chapter: 7
Q80:
The physical connection structure that allows for communication between several devices from one source is called?
A. Point-to-Point
B. Mesh
C. Multipoint
D. Star
Correct Answer:
C