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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:

Here's a high level overview:

This table gives you a few examples:

This document gives you a very in-depth look at how the model works:

This was first published in July 2002

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