Group-C || 07.02.18|| OSI Reference Model

And remember, the OSI is a logical model, not a physical one. It’s essentially a set of guidelines
that developers can use to create and implement applications to run on a network. It also
provides a framework for creating and implementing networking standards, devices, and internetworking
schemes.
The OSI has seven different layers, divided into two groups. The top three layers define
how the applications within the end stations will communicate with each other as well as
with users. The bottom four layers define how data is transmitted end to end.

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