Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 21
Q701:
Which of the following is true about ATM service guarantees?
A. Guarantees 100% delivery
B. Guarantees unlimited bandwidth
C. Provides statistical performance guarantee
D. Provides unlimited retries
Correct Answer:
C
Chapter: 21
Q702:
Message interface delivers data ______.
A. In random sizes
B. In packets of 100 characters
C. In same size chunks as sent
D. Without any boundary
Correct Answer:
C
Chapter: 21
Q703:
Stream interface means:
A. Data is received in same size chunks
B. Boundaries are maintained
C. Data is received as stream
D. Each message is acknowledged
Correct Answer:
C
Chapter: 21
Q704:
In connectionless service, each packet includes ______.
A. Protocol headers
B. Connection ID
C. Destination address
D. Compression info
Correct Answer:
C
Chapter: 21
Q705:
ARPANET is ______ internally and ______ externally.
A. Connectionless, connection-oriented
B. Connection-oriented, connectionless
C. Stream-based, message-based
D. None of the above
Correct Answer:
B
Chapter: 21
Q706:
Which service paradigm is easier to implement in network?
A. Connection-oriented
B. Connectionless
C. Stream-based
D. Message-based
Correct Answer:
B
Chapter: 21
Q707:
Which service paradigm has fewer overheads?
A. Connection-oriented
B. Connectionless
C. Both have same overheads
D. Depends on OS
Correct Answer:
B
Chapter: 21
Q708:
In which paradigm can applications detect network problems immediately?
A. Connectionless
B. Connection-oriented
C. Both
D. None
Correct Answer:
B
Chapter: 21
Q709:
Connection-oriented service makes ______ easier.
A. Testing
B. Patching
C. Accounting
D. Caching
Correct Answer:
C
Chapter: 21
Q710:
A complete unique identifier used in networks is called a(n) ______.
A. Connection ID
B. Address
C. Path
D. Tunnel
Correct Answer:
B
Chapter: 21
Q711:
What is used as a shorthand in connection-oriented delivery?
A. Tunnel
B. Address
C. Encryption
D. Connection identifier
Correct Answer:
D
Chapter: 21
Q712:
Which component is part of an ATM connection identifier?
A. IP address
B. MAC address
C. Virtual Path Identifier
D. Connection Rate
Correct Answer:
C
Chapter: 21
Q713:
ATM uses how many bits for Virtual Circuit Identifier (VCI)?
A. 8
B. 12
C. 16
D. 24
Correct Answer:
C
Chapter: 21
Q714:
ATM connection identifiers are ______ to each computer.
A. Global
B. Identical
C. Local
D. Remote
Correct Answer:
C
Chapter: 21
Q715:
In VPNs, ______ ensures no access for other public network users.
A. Encryption
B. Tunnels
C. Firewalls
D. Access points
Correct Answer:
B
Chapter: 21
Q716:
VPN tunnels are viewed by each site as a ______ link.
A. Multicast
B. Hub-based
C. Point-to-point
D. Broadcast
Correct Answer:
C
Chapter: 21
Q717:
In connectionless delivery, what is required for each data item?
A. Encryption
B. Error detection
C. Destination address
D. Route history
Correct Answer:
C
Chapter: 21
Q718:
A VPN is limited to a ______ organization.
A. Government
B. Single
C. Multi-national
D. Corporate
Correct Answer:
B
Chapter: 21
Q719:
Data transits in public networks between ______.
A. Home users
B. Devices
C. Organizations
D. Employees
Correct Answer:
C
Chapter: 21
Q720:
VPNs protect data from unauthorized access using ______.
A. Compression
B. Access Control
C. Encryption
D. Replication
Correct Answer:
C