Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q131: Packets are reassembled in the correct order at the ______.
- A: Sender
- B: Receiver
- C: Router
- D: Modem
View Answer
B
Q132: Communication over a network requires a sender, receiver, message, medium, and ______.
- A: Driver
- B: Internet
- C: Protocol
- D: Server
View Answer
D
Q133: Signal interference is more common in ________ transmission.
- A: Fiber
- B: Optical
- C: Wired
- D: Wireless
View Answer
D
Q134: What is the main unit of data used in modern computer networks?
- A: Bits
- B: Frames
- C: Packets
- D: Blocks
View Answer
C
Q135: Why are packets used instead of continuous bit streams in networks?
- A: To speed up transmission
- B: To increase packet loss
- C: To allow error detection and shared connections
- D: To reduce hardware cost
View Answer
C
Q136: A file of 5MB transferred on a 56Kbps link without packetization would take approximately how long?
- A: 3 minutes
- B: 6 minutes
- C: 12 minutes
- D: 15 minutes
View Answer
C
Q137: Packets help ensure _______ among multiple computers using the same network.
- A: Congestion
- B: Fairness
- C: Speed
- D: Errors
View Answer
B
Q138: Each packet in a shared network ensures that no computer experiences a _______ delay.
- A: Long
- B: Short
- C: Constant
- D: Random
View Answer
A
Q139: Which of the following is a reason why shared networks must divide data into packets?
- A: Reduce cost
- B: Speed up RAM
- C: Enable coordination and fairness
- D: Reduce power usage
View Answer
C
Q140: Time Division Multiplexing (TDM) uses ______ to manage multiple transmissions.
- A: Bits
- B: Files
- C: Frames
- D: Packets
View Answer
D