Computer-Networks

Question 819

A packet switching network

A	is free
B	can reduce the cost of using an information utility
C	allows communications channel to be shared among more than one user
D	boh (B) and (C)

Computer-NetworksSwitchingNielit Scientist-B CS 2016 march

Question 819 Explanation:

Packet switching is a method of grouping data that is transmitted over a digital network into packets. Packets are made of a header and a payload. Data in the header are used by networking hardware to direct the packet to its destination where the payload is extracted and used by application software.

Correct Answer: D

Question 819 Explanation:

Packet switching is a method of grouping data that is transmitted over a digital network into packets. Packets are made of a header and a payload. Data in the header are used by networking hardware to direct the packet to its destination where the payload is extracted and used by application software.