OSI

The OSI Model As many of you likely know the OSI (Open System Interconnection) Model serves as a framework to help struture and organize componets of larger systems into 8 Layers. Understanding the concepts of the OSI model is fundmental to sucess in IT. 7 Layers I will be attmpenting to go through the basics of each layer through different posts. Physical Layer 1 Overview of the Physical Layer Copper Fiber WiFi / RF Power L1 CheatSheet Data Link Layer 2 Network Layer 3 Transport Layer 4 Session Layer 5 Presentation Layer 6 Application Layer 7 Poltics Layer 8 Not a Real Layer