IT Certification and Training Blog

The Seven Layers of Networking – Part I

Feb 27, 2013 8:18:00 AM / by Kelson Lawrence posted in The ISO OSI Reference Model, The Data Link Layer, The Network Layer, The Physical Layer, The Transport Layer, seven layers of networking

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By John Oden

It’s difficult to have a conversation about networking without hearing someone refer to this layer or that layer. If you talk for more than a few minutes, you’ll soon hear someone say this device operates at Layer X or that device operates at Layer Y. We often begin these conversations assuming that everyone knows what these layers are and how they relate to the issues being discussed.

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