What is application layer?

Answer 1

Application layer is the top layer of the OSI (Open System Interconnectivity) server layer model. This layer handles issues like network transparency, resource allocation and problem partitioning. The application layer is concerned with the user's view of network (e.g. formatting electronic mail messages). The presentation layer provides the application layer with a familiar local representation of data independent of the format used on the network.The application layer provides the interface to the communications environment which is used by the application process. It is responsible for communicating application process parameters.

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