Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q121: In half-duplex communication, data can flow
- A: Only in one direction
- B: One direction at a time
- C: At the same time
- D: Through multiple routers
View Answer
B
Q122: Telephone lines use _______ signals for communication.
- A: Digital
- B: Analog
- C: Satellite
- D: Infrared
View Answer
B
Q123: Wireless communication uses _______ media.
- A: Guided
- B: Controlled
- C: Conductive
- D: Unguided
View Answer
D
Q124: Computer networks allow _______ sharing.
- A: Cost
- B: File
- C: Employee
- D: Router
View Answer
B
Q125: The term “latency” in communication refers to _______.
- A: Packet size
- B: Time delay
- C: Frequency
- D: Range
View Answer
B
Q126: Routers operate at the ______ layer of the OSI model.
- A: Transport
- B: Network
- C: Session
- D: Physical
View Answer
B
Q127: A modem is used when connecting to the internet via _______.
- A: Fiber
- B: Cable
- C: Telephone line
- D: Router
View Answer
C
Q128: Protocols are sets of rules that allow devices to _______.
- A: Execute commands
- B: Communicate
- C: Format data
- D: Print documents
View Answer
B
Q129: A device that amplifies signals in long-distance transmission is called a ________.
- A: Router
- B: Repeater
- C: Modem
- D: Switch
View Answer
B
Q130: The purpose of a switch in a network is to ________.
- A: Connect different networks
- B: Boost signal
- C: Filter spam
- D: Forward data to specific devices
View Answer
D