IBPS IT SO Study material- Computer Networks-Packet Switching & Circuit Switching

IBPS IT SO Study material- Computer Networks

Packet Switching & Circuit Switching

1) A local telephone network is an example of a _______ network
a) Packet switched
b) Circuit switched
c) both of the mentioned
d) none of the mentioned

Answer: a
Explanation: None.

2) Most packet switches use this principle
a) Stop and wait
b) Store and forward
c) Both of the mentioned
d) None of the mentioned

Answer: b
Explanation: The packet switch will not transmit the first bit to outbound link until it recieves the entire packet.

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

Answer: b
Explanation: None.

4) Method(s) to move data through a network of links and switches
a) Packet switching
b) Circuit switching
c) Line switching
d) Both a and b

Answer: d
Explanation: None.

5) The resources needed for communication between end systems are reserved for the duration of session between end systems in ________
a) Packet switching
b) Circuit switching
c) Line switching
d) Frequency switching

Answer: b
Explanation: None.

6) As the resouces are reserved between two communicating end systems in circuit switching, this is achieved
a) authentication
b) guaranteed constant rate
c) reliability
d) store and forward

Answer: b
Explanation: None.

7) In _________ resources are allocated on demand.
a) packet switching
b) circuit switching
c) line switching
d) frequency switching

Answer: a
Explanation: In packet switching there is no reservation.

All the best for your exams @Mission IT SO 2016