TCP / IP model is not a physical thing. It is a conceptual model used to understand how communications are made over the Internet, and consists of 4 layers.

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TCP/IP stack is a conceptual model used to understand how communications are made over the internet. It consists of 4 layers. The Application Layer The provides data transport services to and from the application layer. The Link Layer The is responsible for organizing data into frames, then moving data between devices that are physically connected.

TCP / IP Stack - Oversimplified for Web Developers 🌍🧑🏻‍💻