Networking Layers For Dummies

The OSI Model: The 7 Layers of Networking Explained

If you want to work in IT or Cybersecurity, you must know the OSI Model. It is the universal language of networking. In this video, I break down the Open Systems Interconnection (OSI) Model. Think of it like sending a physical package: Application Layer: You write the letter. Presentation Layer: You translate it so the receiver understands ...

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