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In this tutorial, we will be covering the concept of Computer Networks.

Computer Network is a connection of two or more devices that are connected through a medium in order to exchange information. With the help of a Computer Network, you can easily send or receive data to or from a computing device.

In this complete tutorial, we will learn what are the features and uses of Computer Networks. We will cover the Reference Model along with its categories.

We will cover the detailed description of the seven-layered OSI model along with the functioning performed by each layer.

You will also find different protocols used at each layer of the OSI model along with the pros and cons of that protocol.