This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Switching methods – Packet Switching ”.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. There are two popular approaches to _______ switching: the datagram approach and the virtual circuit approach.
- circuit
- packet
- message
- b and c
B. packet
2. An SVC is a transmission path in _______ switching.
- circuit
- packet
- message
- a or b
B. packet
3. A PVC is a transmission path in _______ switching
- circuit
- packet
- message
- a or b
B. packet
4. In the virtual circuit approach to packet switching, _______ packets of a message follow the same route from sender to receiver.
- no
- some
- all
- at least half
C. all
5. In the _______ approach to packet switching, all packets of a message follow the same route from sender to receiver
- datagram
- virtual circuit
- virtual channel
- virtual path
B. virtual circuit
6. In the _______ approach to packet switching, packets of the same message follow the same route from sender to receiver
- datagram
- virtual circuit
- virtual channel
- virtual path
B. virtual circuit
7. A message from device A consists of packet X and packet Y. In the datagram approach to packet switching, packet Y's path _______ packet X's.
- is the same as
- is dependent on
- is independent of
- is always different from
C. is independent of
8. Switched virtual circuits or permanent virtual circuits implement the _______ approach to packet switching
- datagram
- virtual circuit
- virtual exchange
- circuit switch
B. virtual circuit
9. _______ circuits are implementations to the virtual circuit approach to packet switching
- Permanent virtual
- Switched virtual
- Permanent switched
- a and b
D. a and b
10. In a _______ connection, the link between any two switches can also be used by other connections
- virtual circuit
- circuit-switched
- packet-switched
- all of the above
A. virtual circuit
11. _______ exists only for the duration of the specific exchange
- An SVC
- A PVC
- A CVC
- A CRC
A. An SVC
12. _______ is a permanent connection for the duration of a lease
- An SVC
- A PVC
- A CVC
- A CRC
B. A PVC
13. An SVC is comparable to a _______ line in circuit switching, while a PVC is comparable to a _______ line
- multiplexed; leased
- leased; dial-up
- dial-up; leased
- dial-up; multiplexed
C. dial-up; leased
14. An SVC requires _______.
- connection establishment
- connection release
- control negotiation
- a and b
D. a and b
15. Connection establishment is needed for _______.
- a PVC
- an SVC
- circuit switching
- message switching
B. an SVC
