Layer is combination of application layer, presentation layer, and session layers
Any information transmission by the application layer is prepared for transmission across the session layer by the presentation layer.
The session layer establishes channels of communication among devices, known as sessions.
Network services are made available to genuine application software programs through the Application Layer.
The presentation layer is in charge of formatting and transforming data, as well as ensuring that data is presentable from one application to another across the network.
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