Here is an illustrated cheat sheet for the 7 layers of the OSI Model as used in computer networking. The OSI Model is a conceptual model that describes the universal standard of communication functions of a telecommunication system or computing system, without any regard to the system’s underlying internal technology and specific protocol suites.
A common interview question for would-be Network Administrators and Network Engineers is to explain or give a brief overview of OSI Model’s 7 layers. This cheat sheet is a great reference to have saved or to hang near by to quickly reference.
Feel free to download, share, or save a link to this printable cheat sheet.
Click the image to view the printable, searchable PDF file.
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