Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 114
Q1601:
Which technique solves the problem of one-to-one communication in a network?
A. Routing
B. Switching
C. Encoding
D. Decoding
Correct Answer:
B
Chapter: 114
Q1602:
A switched network consists of ______.
A. servers and routers
B. switches only
C. switches and routers
D. satellites
Correct Answer:
C
Chapter: 114
Q1603:
Fill in the blank: ______ helps in connecting devices so that any device can communicate with another device.
A. Buffering
B. Modulation
C. Switching
D. Cabling
Correct Answer:
C
Chapter: 114
Q1604:
Switched networks operate through a series of ______.
A. servers
B. nodes
C. satellites
D. switches
Correct Answer:
D
Chapter: 114
Q1605:
Which of the following is a key feature of a switched network?
A. Only one device can transmit at a time
B. Data packets are broadcast randomly
C. Devices are directly connected through a series of switches
D. All devices are wireless
Correct Answer:
C
Chapter: 114
Q1606:
What makes switching important in networks?
A. It reduces storage
B. It enables fast processing
C. It allows one-to-one communication
D. It blocks all traffic
Correct Answer:
C
Chapter: 114
Q1607:
Fill in the blank: In a switched network, data is forwarded through ______.
A. cables only
B. a series of switches
C. random wireless routers
D. cloud routers
Correct Answer:
B
Chapter: 114
Q1608:
Which of the following is NOT part of a switched network?
A. Switches
B. Devices
C. Firewalls
D. Unconnected modems
Correct Answer:
D
Chapter: 114
Q1609:
What is the main role of switches in a network?
A. Store data
B. Route data
C. Transmit light
D. Connect devices
Correct Answer:
B
Chapter: 114
Q1610:
Switching in networking ensures ______.
A. data encryption
B. data corruption
C. point-to-point communication
D. device isolation
Correct Answer:
C
Chapter: 114
Q1611:
What happens if a network has no switching method?
A. Devices will communicate better
B. There will be no need for routers
C. One-to-one communication becomes difficult
D. It improves performance
Correct Answer:
C
Chapter: 114
Q1612:
In networking, switching allows ______ communication.
A. one-to-one
B. one-to-many
C. many-to-many
D. broadcast
Correct Answer:
A
Chapter: 114
Q1613:
A switch works by directing data to the correct ______.
A. server
B. device
C. channel
D. wave
Correct Answer:
B
Chapter: 115
Q1614:
Which of the following is NOT a common method of switching used today?
A. Circuit Switching
B. Packet Switching
C. Message Switching
D. None of these
Correct Answer:
C
Chapter: 115
Q1615:
Which switching method has been mostly phased out in general communications?
A. Packet Switching
B. Message Switching
C. Circuit Switching
D. Optical Switching
Correct Answer:
B
Chapter: 115
Q1616:
Which of the following is still widely used in modern networks?
A. Circuit Switching
B. Packet Switching
C. Message Switching
D. Synchronous Switching
Correct Answer:
B
Chapter: 115
Q1617:
Fill in the blank: ______ switching involves establishing a dedicated path before data transmission.
A. Circuit
B. Packet
C. Message
D. Wireless
Correct Answer:
A
Chapter: 115
Q1618:
Packet switching divides data into ______ before sending.
A. messages
B. channels
C. packets
D. streams
Correct Answer:
C
Chapter: 115
Q1619:
In which switching method is a dedicated communication path required throughout the session?
A. Packet Switching
B. Message Switching
C. Circuit Switching
D. Satellite Switching
Correct Answer:
C
Chapter: 115
Q1620:
Which switching method stores the entire message before forwarding it?
A. Packet Switching
B. Circuit Switching
C. Message Switching
D. Frequency Switching
Correct Answer:
C