Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 20
Q681:
ATM cell length makes it easier to
A. Control transmission timing
B. Configure IP
C. Reduce bandwidth
D. Manage routing
Correct Answer:
A
Chapter: 20
Q682:
A private network is sometimes referred to as
A. Internet
B. Intranet
C. Extranet
D. Sub-LAN
Correct Answer:
B
Chapter: 20
Q683:
________ is responsible for designing, maintaining and upgrading a private network.
A. Common carrier
B. ISP
C. Organization itself
D. Network provider
Correct Answer:
C
Chapter: 20
Q684:
Multiple LANs connected in a building or campus form a(n) ________.
A. Metanet
B. Intranet
C. Subchannel
D. Extranet
Correct Answer:
B
Chapter: 20
Q685:
ATM is suitable for applications requiring ________.
A. Low throughput
B. High bandwidth
C. QoS neglect
D. Only video
Correct Answer:
B
Chapter: 20
Q686:
The major reason for choosing cells in ATM is to
A. Increase fragmentation
B. Support QoS
C. Reduce cost
D. Promote IPv4
Correct Answer:
B
Chapter: 21
Q687:
What does a Virtual Private Network (VPN) combine?
A. Public and secure data
B. Public and private network features
C. Only private networks
D. Only public networks
Correct Answer:
B
Chapter: 21
Q688:
VPN connections are often called _______.
A. Switches
B. Bridges
C. Tunnels
D. Nodes
Correct Answer:
C
Chapter: 21
Q689:
What is the main feature of VPN regarding privacy?
A. Authentication
B. Packet tagging
C. Encryption
D. Compression
Correct Answer:
C
Chapter: 21
Q690:
In VPN, even if someone captures the packet, they can't read it because of _______.
A. Firewalls
B. Encryption
C. Tunneling
D. Address filtering
Correct Answer:
B
Chapter: 21
Q691:
Which of the following is NOT a type of service paradigm?
A. Connection-oriented
B. Connectionless
C. Duplex
D. Interface paradigms
Correct Answer:
C
Chapter: 21
Q692:
In connection-oriented service, what is the first step?
A. Send data
B. Request disconnection
C. Request connection
D. Assign IP address
Correct Answer:
C
Chapter: 21
Q693:
What happens when data exchange is complete in connection-oriented service?
A. Connection is permanently established
B. Connection is broken
C. Connection is paused
D. Connection continues forever
Correct Answer:
B
Chapter: 21
Q694:
Connectionless service is similar to which real-world example?
A. Telephone system
B. Postal system
C. Radio system
D. TV system
Correct Answer:
B
Chapter: 21
Q695:
Which type of service allows continuous data at a fixed rate?
A. Burst traffic
B. Broadcast
C. Continuous traffic
D. Simplex traffic
Correct Answer:
C
Chapter: 21
Q696:
Computer networks usually deal with ______ traffic.
A. Continuous
B. Voice
C. Burst
D. Analog
Correct Answer:
C
Chapter: 21
Q697:
Which connection type requires two links for communication between two computers?
A. Simplex
B. Duplex
C. Multiplex
D. Half-duplex
Correct Answer:
A
Chapter: 21
Q698:
Simplex communication requires:
A. One connection
B. Two connections
C. Four connections
D. No connection
Correct Answer:
B
Chapter: 21
Q699:
In switched virtual circuits, connection is established _______.
A. Permanently
B. On demand
C. With VPNs
D. Over the internet
Correct Answer:
B
Chapter: 21
Q700:
Permanent Virtual Circuits are configured ______.
A. At runtime
B. At compile time
C. At system unit time
D. Automatically
Correct Answer:
C