Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q471: What is NOT an advantage of bridging between buildings?
- A: Less maintenance
- B: Improved performance
- C: No wiring changes required
- D: High delay due to collisions
View Answer
D
Q472: Which component is NOT required when bridging between two buildings?
- A: Bridge
- B: Fiber modem
- C: Router
- D: Optical fiber
View Answer
C
Q473: Why is it sometimes not possible to use optical fiber between two distant buildings?
- A: Fiber cannot handle digital signals
- B: It is expensive
- C: The land may not belong to you
- D: Fiber modems are unreliable
View Answer
C
Q474: What are two common alternatives to connect distant sites?
- A: DSL and ISDN
- B: WiFi and 5G
- C: Leased line and satellite
- D: Radio and Bluetooth
View Answer
C
Q475: Which connection spans arbitrarily long distances?
- A: Ethernet cable
- B: Leased serial line
- C: Leased satellite channel
- D: Fiber optics
View Answer
C
Q476: What is a limitation of satellite communication links?
- A: Very high bandwidth
- B: Very low cost
- C: Frames arrive faster than they can be sent
- D: No need for buffering
View Answer
C
Q477: How do bridges manage the delay in satellite communication?
- A: They ignore some frames
- B: They compress the data
- C: They use buffering
- D: They reject packets
View Answer
C
Q478: What may happen if the bridge runs out of memory during buffering?
- A: It shuts down
- B: It drops the connection
- C: It drops incoming frames
- D: It sends all frames again
View Answer
C
Q479: What does the communication software do after sending a few frames?
- A: Stops transmission
- B: Waits for a response
- C: Reboots the system
- D: Erases memory
View Answer
B
Q480: A bridge network can connect ______.
- A: only two LANs
- B: only switches
- C: many segments
- D: many routers
View Answer
C