Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 14
Q481:
Each segment in a bridge network needs ______.
A. two bridges
B. one bridge
C. two routers
D. one switch
Correct Answer:
B
Chapter: 14
Q482:
What problem occurs if bridges form a cycle?
A. Bridges break down
B. Signal distortion
C. Infinite broadcast copies
D. Error frames sent endlessly
Correct Answer:
C
Chapter: 14
Q483:
Broadcast frames in a cycle network result in ______.
A. data loss
B. infinite loop
C. frame correction
D. frame deletion
Correct Answer:
B
Chapter: 14
Q484:
What algorithm do bridges use to prevent broadcast cycles?
A. Tree Sort
B. Bridge Protocol Labeling
C. Spanning Path Finder
D. Distributed Spanning Tree
Correct Answer:
D
Chapter: 14
Q485:
In DST, bridges ______.
A. reboot when overloaded
B. automatically configure which ones will forward broadcast frames
C. use static addresses only
D. ignore broadcast frames
Correct Answer:
B
Chapter: 14
Q486:
DST helps in ______.
A. slowing the network
B. speeding up all routers
C. preventing infinite loop of broadcast frames
D. enhancing multicast performance
Correct Answer:
C
Chapter: 14
Q487:
Bridges in steady state forward frames only when ______.
A. they originate from same segment
B. they are unicast
C. they are destined to another segment
D. they are from routers
Correct Answer:
C
Chapter: 14
Q488:
If a destination is not in bridge's list during startup, the bridge ______.
A. stores the frame
B. blocks the frame
C. sends it to router
D. forwards it to the other segment
Correct Answer:
D
Chapter: 14
Q489:
Bridges work at the ______ layer of the OSI model.
A. Physical
B. Data link
C. Network
D. Transport
Correct Answer:
B
Chapter: 14
Q490:
The primary task of a bridge is ______.
A. Address resolution
B. Routing
C. Frame filtering
D. Signal modulation
Correct Answer:
C
Chapter: 14
Q491:
______ frames are also forwarded by bridges during steady state.
A. Unicast
B. Loopback
C. Broadcast
D. Corrupted
Correct Answer:
C
Chapter: 14
Q492:
A bridge can connect multiple LAN segments to build ______.
A. Virtual machines
B. Extended networks
C. Mesh routers
D. TCP tunnels
Correct Answer:
B
Chapter: 14
Q493:
When designing LANs, bridges can be used to ______.
A. increase traffic
B. decrease reliability
C. increase delay
D. divide segments
Correct Answer:
D
Chapter: 14
Q494:
The ______ algorithm is used in bridge networks with cycles.
A. Distance vector
B. Distributed Spanning Tree
C. Shortest Path First
D. Token ring
Correct Answer:
B
Chapter: 15
Q495:
What is the primary function of a switch in a LAN?
A. Simulate shared media
B. Transfer frames among connected computers
C. Route internet traffic
D. Store web data
Correct Answer:
B
Chapter: 15
Q496:
What does a switch simulate in a bridged LAN?
A. Multiple shared hubs
B. One computer per segment
C. One hub per switch
D. One switch per computer
Correct Answer:
B
Chapter: 15
Q497:
In a LAN with a hub, how many computers can communicate simultaneously?
A. One
B. Two
C. All
D. Unlimited
Correct Answer:
B
Chapter: 15
Q498:
In a LAN using switches, how does communication between two computers affect others?
A. It disturbs all
B. It slows others
C. No effect
D. Stops other communication
Correct Answer:
C
Chapter: 15
Q499:
Why are hubs sometimes connected to switches in a LAN?
A. To reduce internet speed
B. To save memory
C. To reduce costs and expand connectivity
D. To limit user access
Correct Answer:
C
Chapter: 15
Q500:
Switches and bridges can be used with which of the following besides Ethernet?
A. Optical fiber
B. Coaxial cable
C. Token ring and FDDI
D. Wi-Fi
Correct Answer:
C