In the OSI model, three layers divide the application layer from the network layer: presentation, session, and transport. The application layer is closest to the end user and the network layer is closest to the physical network. Based on the functions of the three layers between application and network, 

how do you anticipate the implementation of these layers changes from application to network, as information is moved from one layer to another? 

What is the importance of understanding the functions of these layers? 

How are layers represented in the TCP/IP model?

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In the OSI model the layers presentation session and transport serve distinct functions in the process of transferring data from the application layer to the network layer Heres a brief overview of th... View the full answer