Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q271: A hub is used in ________ topology.
- A: ring
- B: bus
- C: star
- D: tree
View Answer
C
Q272: Ethernet segment length limit is ________.
- A: 100m
- B: 200m
- C: 500m
- D: 1000m
View Answer
C
Q273: LANs are the most popular form of ________.
- A: wireless networks
- B: satellite systems
- C: computer networks
- D: sensor networks
View Answer
C
Q274: Manchester encoding uses voltage transition to represent ________.
- A: data errors
- B: control bits
- C: data
- D: bit timing
View Answer
C
Q275: Ethernet uses ________ encoding technique.
- A: Binary
- B: Manchester
- C: NRZ
- D: ASCII
View Answer
B
Q276: LANs rely on ________ medium for data transmission.
- A: shared
- B: point-to-point
- C: private
- D: satellite
View Answer
A
Q277: Temporal locality implies communication is ________.
- A: repeated with same computer
- B: spread across cities
- C: unpredictable
- D: from different continents
View Answer
A
Q278: What is the purpose of CSMA in Ethernet?
- A: To store data
- B: To encrypt signals
- C: To coordinate transmissions
- D: To increase bandwidth
View Answer
C
Q279: What happens if two computers transmit simultaneously in Ethernet?
- A: Transmission is delayed
- B: A token is passed
- C: Frames interfere and collide
- D: Data is compressed
View Answer
C
Q280: What does Ethernet use to detect a collision?
- A: Software algorithm
- B: Carrier wave
- C: CDMA technique
- D: Hardware to monitor signals
View Answer
D