Protocol
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What is Protocol?
A protocol is a set of rules that defines how data is formatted, transmitted, and received between devices on a network. Protocols ensure that different systems, regardless of manufacturer or operating system, can predictably communicate with each other. Examples include TCP, IP, HTTP, and DNS, each governing a specific aspect of how network communication works.
Free resources to learn Protocol
More in stage 2: What are Networks?
Protocol: common questions
Can I learn Protocol in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Protocol in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Protocol tutorial for beginners?
It is lesson 17 of 195 in the free Network Engineer roadmap, in stage 2, What are Networks?. If you are new to Network Engineer, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.