Explain the ISO reference model.

1.	Explain the ISO reference model.
Answer» An interconnected protocol for the computer to computer communication as recommended by the International Standards Organisation (ISO) is gaining wide acceptance. It is an approach based on defining a number of distinct layers each addressing itself to one aspect of linking. This is known as the ISO model for Open System Interconnection. It is a sevenlayer architecture and defines a separate set of protocols for each layer.

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