Protocols

3 posts
2025

Internet Protocol (IP) Explained: Addressing, Subnets, DHCP, and NAT

Every device on the internet speaks one language at the network layer: IP. Whether a packet travels from your browser to a web server around …
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Network Communication Basics: Ethernet, MAC Addressing, and How Local Networks Work

Networks are everywhere, but most people — including many IT professionals — treat them as black boxes. You plug in a cable, data travels, …
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Understanding HTTP Status Codes: What They Mean and How to Use Them

HTTP status codes are the server’s vocabulary for telling clients what happened. Three digits. Completely standardized. And yet, …
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