IT Certification and Training Blog

The Seven Layers of Networking – Part III

Apr 2, 2014 9:27:00 AM / by Kelson Lawrence posted in The Internet Layer, The Network Access Layer, The Seven Layers of Networking – Part III, The Transport Layer, The Application Layer, Inter-Layer and Intra-Layer Communication


By Kailin Acheson

The previous two parts of this blog, Part I and Part II, covered the seven layers of the Open Systems Interconnection (OSI) model. This installment will cover the four layers of the Transmission Control Protocol/Internet Protocol (TCP/IP) model and contrast the TCP/IP model with the OSI model.

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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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