Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q431: The 10Base-T Ethernet operates at ______ Mbps.
- A: 1
- B: 10
- C: 100
- D: 1000
View Answer
B
Q432: The length of wiring varies in the schemes of Thick Ethernet, Thin Ethernet, and ______ Ethernet.
- A: Twisted pair
- B: Fiber optic
- C: Coaxial
- D: Wireless
View Answer
A
Q433: What is the primary limitation of LAN cable length?
- A: Signal distortion
- B: Weak electrical signal
- C: Long cable price
- D: Low bandwidth
View Answer
B
Q434: What happens when the length of a LAN cable increases beyond the limit?
- A: Increased speed
- B: Improved bandwidth
- C: Weakening of signals
- D: More users can connect
View Answer
C
Q435: Which hardware is used to extend a LAN beyond a building using light pulses?
- A: Router
- B: Hub
- C: Fiber-modem
- D: Switch
View Answer
C
Q436: The purpose of using a fiber-modem is to ________.
- A: convert light to sound
- B: amplify electric signals
- C: convert digital data to light and vice versa
- D: connect two mobile devices
View Answer
C
Q437: LAN extension over optical fiber is preferred because ________.
- A: it looks better
- B: it is wireless
- C: it has low delay and high bandwidth
- D: it is cheaper than copper wiring
View Answer
C
Q438: Which access mechanism is affected by long delays in LANs?
- A: HTTP
- B: SMTP
- C: CSMA/CD
- D: FTP
View Answer
C
Q439: Repeaters work best with which type of medium?
- A: Fiber optic
- B: Copper wire
- C: Wireless
- D: Bluetooth
View Answer
B
Q440: A repeater ________ the electrical signal.
- A: blocks
- B: amplifies
- C: destroys
- D: bypasses
View Answer
B