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