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Information on the seven networking layers?

I just became an MCP. I would be very greatful to you if you could provide some details on the seven networking layers?

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The Open System Interconnect (OSI) Model defines a generic networking model that divides networking processing into seven layers -- from the physical layer (level 1) to the application layer (level 7).

Here's a very concise cheatsheet/overview:
http://www.rad.com/networks/1994/osi/layers.htm

Here's a high level overview:
http://www.webopedia.com/quick_ref/OSI_Layers.html

This table gives you a few examples:
http://www.geocities.com/SiliconValley/Monitor/3131/ne/osimodel.html

This document gives you a very in-depth look at how the model works:
http://www.thelinuxreview.com/howto/intro_to_networking/c4412.htm

This was first published in July 2002

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