# Protocols and data security

> Protocols and data security are two fundamental concepts that underpin all electronic communication. Protocols are the rules that govern how data is transmitted across networks, while data security…

- Page: https://www.hlayiso.com/grade-11/information-technology/notes/electronic-communication/protocols-and-data-security

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## Full notes

This is a preview of the Protocols and data security notes for Grade 11 Information Technology. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in Electronic communication

- [Mobile and wireless communication](https://www.hlayiso.com/grade-11/information-technology/notes/electronic-communication/mobile-and-wireless-communication) — Previous section
- [All Electronic communication sections](https://www.hlayiso.com/grade-11/information-technology/notes/electronic-communication)

## Frequently asked questions

### What will I learn in "Protocols and data security"?

This section covers Protocols and data security as part of Electronic communication in Grade 11 Information Technology. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Protocols and data security", are written against the official CAPS curriculum and ATP for Grade 11 Information Technology.

### What should I study after "Protocols and data security"?

Continue with the next section in Electronic communication, or test your understanding with the interactive quiz linked to this section.

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