Which of the following is/are not true about a packet switched network?
a. A communication link can be shared by more than one connection.
b. A communication link is dedicated to a connection.
c. The packet transfer delay between a pair of nodes is more or less constant.
d. The packet transfer delay between a pair of nodes may very with time.
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Answer:
Option c) The packet transfer delay between a pair of nodes is more or less constant, is the statement which is not true about packet switching
The method in which data is transferred to a network in the forms of packet is called packet switching. The data is broken into several small pieces to ensure efficiency in data transfer rate.
These small pieces are called packet. Delay occurs in packet switching method because this is a store and forward network and is not constant overall.
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“A communication link is dedicated to a connection” and “The packet transfer delay between a ‘pair of nodes’ is more or less constant” are not true about a ‘packet switched network’.
Option: (b) and (c)
Explanation:
- Packet switching can be defined as a method of transferring the data over a network in the form of packets.
- To transfer the files faster in an efficient way over a network. It will minimize the ‘transmission latency’ where the data can be split into various small pieces of variable length known as packet.
- It uses a technique named as store and forward technique while packet switching. It has a link shared to various possible paths.
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