Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 15
Q501:
Which of the following is NOT a type of network characterization?
A. LAN
B. MAN
C. PAN
D. WAN
Correct Answer:
C
Chapter: 15
Q502:
What is the best network type for a single building?
A. WAN
B. MAN
C. LAN
D. SAN
Correct Answer:
C
Chapter: 15
Q503:
Which network type is suitable for communication across cities?
A. LAN
B. MAN
C. WAN
D. PAN
Correct Answer:
B
Chapter: 15
Q504:
WAN is typically used for communication across __________.
A. Villages
B. Buildings
C. Countries
D. Rooms
Correct Answer:
C
Chapter: 15
Q505:
LAN can be extended across long distances using a __________.
A. Wi-Fi router
B. Satellite bridge
C. Mobile hotspot
D. Cloud switch
Correct Answer:
B
Chapter: 15
Q506:
Why can't LANs accommodate many computers indefinitely?
A. Signal loss
B. Size of cables
C. Distance and performance limitations
D. Too many IPs
Correct Answer:
C
Chapter: 15
Q507:
Which of the following is used to connect computers across large distances in a WAN?
A. Shared medium
B. Cable modem
C. Packet switches
D. USB hubs
Correct Answer:
C
Chapter: 15
Q508:
What does a packet switch do?
A. Mixes data
B. Packets programs
C. Stores and forwards packets
D. Switches circuits
Correct Answer:
C
Chapter: 15
Q509:
Which component is NOT essential in a packet switch?
A. Memory
B. Program for switching
C. Speaker
D. Network interfaces
Correct Answer:
C
Chapter: 15
Q510:
A packet switch connects to other packet switches using __________ connections.
A. Low speed
B. High speed
C. Wireless
D. DSL
Correct Answer:
B
Chapter: 15
Q511:
A packet switch connects to local computers with __________.
A. High speed connections
B. Cable TV
C. Lower speed connections
D. DSL
Correct Answer:
C
Chapter: 15
Q512:
Why are packet switches essential in WANs?
A. They offer voice support
B. They provide packet-based data transfer
C. They play music
D. They boost Wi-Fi signals
Correct Answer:
B
Chapter: 15
Q513:
What is the key feature of store and forward technology?
A. Immediate delivery
B. No memory used
C. Data is forwarded after buffering
D. Data is printed before sending
Correct Answer:
C
Chapter: 15
Q514:
In store-and-forward switching, why is a queue used?
A. To maintain order
B. To group users
C. To slow the network
D. To remove headers
Correct Answer:
A
Chapter: 15
Q515:
What does the WAN packet header contain?
A. Timestamp only
B. User password
C. Destination and source addresses
D. Only MAC address
Correct Answer:
C
Chapter: 15
Q516:
WAN addressing typically uses __________ addressing.
A. Flat
B. Random
C. Hierarchical
D. None
Correct Answer:
C
Chapter: 15
Q517:
In WANs, one part of the address identifies the __________.
A. Destination’s email
B. ID card
C. Destination switch
D. Packet number
Correct Answer:
C
Chapter: 15
Q518:
Next-hop forwarding is used when __________.
A. Router is down
B. Packet must go to next switch
C. Firewall blocks packet
D. Connection is symmetric
Correct Answer:
B
Chapter: 15
Q519:
If the destination computer is local, the packet switch __________.
A. Broadcasts to all
B. Queues the packet
C. Delivers directly to its port
D. Drops the packet
Correct Answer:
C
Chapter: 15
Q520:
If the destination is on another switch, the packet switch __________.
A. Forwards to next hop
B. Keeps it in memory
C. Broadcasts it
D. Deletes it
Correct Answer:
A