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Networks 路 beginner

How the Internet Works

Learn what happens when you open a website: IP addresses, DNS, HTTP requests and responses, and how HTTPS keeps connections private.

4 lessonsAbout 36 minFree
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Finish every lesson, then sign in and pass the final assessment to earn a free certificate

Module 1: From address to web page

  1. What Is the Internet?8 min 路 Up next
  2. IP Addresses and DNS9 min 路 Not started
  3. HTTP Requests and Responses10 min 路 Not started
  4. HTTPS and Safe Connections9 min 路 Not started

Questions about How the Internet Works

What will I learn in How the Internet Works?

Learn what happens when you open a website: IP addresses, DNS, HTTP requests and responses, and how HTTPS keeps connections private. The course has 4 lessons, organised in one module: Module 1: From address to web page.

How long does How the Internet Works take?

About 36 minutes in total, across 4 lessons. You can learn at your own pace and stop and continue any time.

Do I need experience to take How the Internet Works?

No. This course starts from zero and explains every new word the first time it appears.

Is How the Internet Works free?

Yes. The whole course is free and you do not need an account to learn. A free account is only needed for the final assessment and the certificate.

Do I get a certificate for How the Internet Works?

Yes, a free certificate of completion. Finish every lesson, sign in, and pass the 15-question final assessment with 80% or more. It is not an accredited qualification.

What should I learn after How the Internet Works?

The next step is Internet Intermediate: Protocols, Networks and APIs.