The 7 Layers of the OSI Model.

in #computer7 years ago

osi.jpg

Application Layer:-
Message format, human-machine interfaces.

Presentation Layer:-
Binary coding, encryption, compression.

Session Layer:-
Authentication, permissions, session restoration.

Transport Layer:-
End to end error control.

Network Layer:-
Network addressing, routing / switching.

Data Link Layer:-
Error detection, flow control on physical link.

Physical Layer:-
Physical medium.

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