Multiple Choice Questions and Answers on Packet Switching & Circuit Switching

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Multiple Choice Questions and Answers on Packet Switching & Circuit Switching

MCQ on Packet Switching 

1. A local telephone network is an example of a _______ network.
a) Packet switched
b) Switched circuit
c) Bit switched
d) Line switched
Answer: Switched circuit

2. Packet switches use the principle of ____________
A) Stop and wait
b) Store and carry forward
c) Store and wait
d) Stop and move on
Answer: Save and move on

3. There are three popular approaches to _________ switching: the datagram approach and the virtual circuit approach.
A) Circuit
b) Packet
c) Message
d) Both (a) and (b)
Answer: Packet

4. In _________ systems, resources are allocated based on demand.
a) Packet switching
b) Circuit switching
c) Line switching
D) Frequency switching
Answer: Packet switching

5. SVC is a transmission path in _________ 
A) Circuit switching.
b) Packet switching.
c) Message switching.
D) All of the above
Answer: Packet switching.

6. SCV requires ______________
a) Connection establishment
b) Connection release
c) Control the negotiation
D) All of the above

7. What are the methods of moving data through a network of links and switches?
a) Packet switching and line switching
b) Circuit switching and line switching
c) Line switching and bit switching
d) Packet switching and circuit switching
Answer: Packet switching and circuit switching

8. If there are N routers from the source to the destination, the total end-to-end delay in sending a packet P (number of bits in L-> packet R-> transmission rate) is equal to ______________.
A) N
b) (N*L)/R
c) (2N*L)/R
d) L/R
Answer: (N*L)/R

MCQ on Circuit Switching 

1. Resources required for communication between end systems are reserved for the duration of a session between end systems in a ________ manner.
a) Packet switching
b) Circuit switching
c) Line switching
D) Frequency switching
Answer: Circuit switching

2. Since resources are reserved between two communicating end systems in circuit switching, ___________ is achieved.
a) Validation
b) Guarantee of fixed rates
c) Reliability
d) Store and forward
Answer: Fixed Rate Guarantee

3. Local telephone network is an example of a _______ network.
a) Packet switched
b) Switched circuit
c) Bit switched
d) Line switched
Answer: Switched circuit

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