Layer 3 or Network Layer
What do you mean by the term Layer 3 or Network Layer? Describe in brief.
Expert
Network Layer corresponds to the layer 3 of OSI model and allows a choice of the physical route of transmission of a message packet by:
a) Making a virtual circuit for upper layers to make them independent of the data transmission and switching.
b) Establishing, maintaining and terminating connections among the nodes.
c) Making sure proper routing of data.
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