Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q101: Data is sent over the network in units called ________.
- A: Files
- B: Packets
- C: Clusters
- D: Bytes
View Answer
B
Q102: The speed of data transmission is measured in _______.
- A: Hertz
- B: Bytes
- C: Kilobytes
- D: Bits per second
View Answer
D
Q103: In communication terminology, the medium used to carry signals is called _______.
- A: Protocol
- B: Device
- C: Transmission medium
- D: Control panel
View Answer
C
Q104: Which of the following is an example of simplex communication?
- A: Telephone call
- B: Walkie-talkie
- C: Keyboard to computer
- D: Video conference
View Answer
C
Q105: In which type of communication do sender and receiver transmit data simultaneously?
- A: Simplex
- B: Half Duplex
- C: Full Duplex
- D: Serial
View Answer
C
Q106: Data communication systems must be _______ and cost-effective.
- A: Secure
- B: Fast
- C: Wireless
- D: Encrypted
View Answer
A
Q107: ________ is the device that receives the message in a communication system.
- A: Receiver
- B: Modem
- C: Protocol
- D: Router
View Answer
A
Q108: Transmission of data in one direction at a time is called _______.
- A: Full duplex
- B: Simplex
- C: Half duplex
- D: Unidirectional
View Answer
C
Q109: Optical fiber is an example of a _______ transmission medium.
- A: Guided
- B: Unguided
- C: Digital
- D: Analog
View Answer
A
Q110: Which of the following is NOT a function of protocols in data communication?
- A: Error detection
- B: Addressing
- C: Formatting documents
- D: Data compression
View Answer
C