Networking & Internet

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About Networking & Internet

Networking and the Internet have transformed the way people communicate, work, learn, and share information. From sending emails and streaming videos to cloud computing and artificial intelligence, modern digital life depends on computer networks that connect billions of devices across the globe.

This topic is part of Technology. Explore the guide, then practice with flashcards and quizzes to lock in what you learn.

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• Networking & Internet: Complete Study Guide 18 min · ›

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Frequently asked questions

What is computer networking?

Computer networking is the process of connecting devices such as computers, smartphones, servers, and printers so they can communicate, exchange data, and share resources.

What is the Internet?

The Internet is a global network of interconnected computer networks that allows billions of devices worldwide to communicate and access information using standardized communication protocols.

What is the difference between a LAN and a WAN?

A Local Area Network (LAN) connects devices within a limited area, such as a home, office, or school. A Wide Area Network (WAN) connects networks over much larger distances, such as cities, countries, or continents. The Internet is the largest example of a WAN.

What do routers and switches do?

A router directs data between different networks and connects local networks to the Internet, while a switch connects multiple devices within the same local network, allowing them to communicate efficiently.

Why should I learn about networking and the Internet?

Understanding networking and the Internet helps you use digital technology more effectively, troubleshoot common connection issues, protect yourself online, and understand how websites, cloud services, online games, streaming platforms, and modern communication systems work. It also provides essential knowledge for careers in IT, cybersecurity, software development, and computer science.