Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 13
Q441:
Adding a repeater to a LAN segment will ________ the maximum cable length.
A. decrease
B. double
C. disconnect
D. shorten
Correct Answer:
B
Chapter: 13
Q442:
Two repeaters in a LAN setup can ________ the maximum cable length.
A. double
B. triple
C. halve
D. quadruple
Correct Answer:
B
Chapter: 13
Q443:
Why can't we use too many repeaters in a LAN?
A. Too expensive
B. Causes too many users
C. Introduces delay
D. Affects bandwidth
Correct Answer:
C
Chapter: 13
Q444:
According to Ethernet standard, how many repeaters can separate two stations?
A. 2
B. 3
C. 4
D. 5
Correct Answer:
C
Chapter: 13
Q445:
Repeaters amplify and retransmit both signals and ________.
A. messages
B. frames
C. errors
D. addresses
Correct Answer:
C
Chapter: 13
Q446:
What is a key disadvantage of repeaters?
A. They convert frames
B. They increase delay
C. They recognize all addresses
D. They encrypt data
Correct Answer:
B
Chapter: 13
Q447:
Bridges are used to connect ________.
A. phones
B. routers
C. two LAN segments
D. wireless devices
Correct Answer:
C
Chapter: 13
Q448:
How does a bridge differ from a repeater?
A. It filters frames
B. It ignores addresses
C. It amplifies all traffic
D. It shortens cables
Correct Answer:
A
Chapter: 13
Q449:
A bridge uses how many Network Interface Cards (NICs)?
A. 1
B. 2
C. 3
D. 4
Correct Answer:
B
Chapter: 13
Q450:
A bridge performs ________ before forwarding frames.
A. frame corrupting
B. frame filtering
C. frame skipping
D. frame delaying
Correct Answer:
B
Chapter: 13
Q451:
A bridge discards ________ frames.
A. valid
B. collided
C. personal
D. unicast
Correct Answer:
B
Chapter: 13
Q452:
A bridge can forward ________ frames.
A. collided
B. broadcast
C. random
D. none
Correct Answer:
B
Chapter: 13
Q453:
A bridge maintains a list of ________ addresses per segment.
A. logical
B. IP
C. physical
D. multicast
Correct Answer:
C
Chapter: 13
Q454:
A bridge identifies segments of destination computers based on ________.
A. IP addresses
B. MAC addresses
C. frame formats
D. headers
Correct Answer:
B
Chapter: 13
Q455:
Most modern bridges are ________ bridges.
A. non-learning
B. self-learning
C. fixed
D. cloud
Correct Answer:
B
Chapter: 13
Q456:
Self-learning bridges extract source addresses from ________.
A. data
B. field
C. header
D. frame header
Correct Answer:
D
Chapter: 13
Q457:
Bridges can extend a LAN without violating ________.
A. security rules
B. engineering constraints
C. cost limit
D. software licenses
Correct Answer:
B
Chapter: 13
Q458:
The use of repeaters in LANs can lead to retransmission of ________.
A. digital images
B. only correct frames
C. collisions and errors
D. special packets
Correct Answer:
C
Chapter: 13
Q459:
One repeater ________ the maximum cable length.
A. cuts in half
B. doubles
C. triples
D. has no effect
Correct Answer:
B
Chapter: 13
Q460:
LANs are typically designed to operate within ________.
A. multiple cities
B. the same building
C. the whole country
D. the entire globe
Correct Answer:
B