Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q201: In direct point-to-point networks, how many new connections are needed to add one computer?
- A: 1
- B: N
- C: (N-1)^2
- D: N-1
View Answer
D
Q202: LAN technology allows ______ to take turns using the shared medium.
- A: Only one device
- B: Multiple devices
- C: Only routers
- D: Printers only
View Answer
B
Q203: CRC is used in ________ to detect errors.
- A: Disk drives
- B: Frame formats
- C: Bus topologies
- D: Routers
View Answer
B
Q204: Each bit in CRC hardware is processed using a ________.
- A: Divider
- B: Register
- C: XOR and shift operation
- D: Multiplexer
View Answer
C
Q205: Which of the following best describes CRC?
- A: Error correction method
- B: Error detection method
- C: Compression technique
- D: Coding format
View Answer
B
Q206: When all 16 bits are shifted in CRC hardware, the CRC is found in ________.
- A: XOR units
- B: Frame headers
- C: Registers
- D: Transmitted data
View Answer
C
Q207: CRC is better than checksum in detecting ________.
- A: Parity faults
- B: Bit stuffing
- C: Multiple-bit burst errors
- D: Single-bit faults
View Answer
C
Q208: The frame format includes CRC for ______.
- A: Error correction
- B: Error detection
- C: Data duplication
- D: Header compression
View Answer
B
Q209: Early networks used ______ communication for each channel.
- A: Point-to-point
- B: Bus
- C: Star
- D: Ring
View Answer
A
Q210: To enable CRC, the shift register must be ________ before input.
- A: Set to 1
- B: Rotated
- C: Initialized to 0
- D: Flushed
View Answer
C