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Beginner Course

Pip's Route

Start from a device's name tag and travel stop by stop until the moment a website opens.All 10 lessons are ready. Off you go!

Completed 0 of 10 lessons

  1. Lesson 1 Hello, Network! What Is a Network? How can your phone receive a message from the other side of the world? Pip About 6 min
  2. Lesson 2 Professor Arpa's Time Machine: From ARPANET to the Internet Was the Internet suddenly invented one fine day? Professor Arpa About 8 min
  3. Lesson 3 Every Device Has a Name Tag: MAC Address There are billions of devices on networks. How do you tell who is who? Mac About 10 min
  4. Lesson 4 Where Do You Live? IP Address: IPv4 and IPv6 We already have name tags, so why do we need addresses too? MacRue About 10 min
  5. Lesson 5 Pip Packs His Backpack: Packets and Network Layers How does a photo "ride" along a cable to get out of the house? Pip About 10 min
  6. Lesson 6 Meet the Network Squad: Hub, Switch, Router and Access Point What is that blinking box at home really doing? OctoRue About 10 min
  7. Lesson 7 The Internet's Phone Book: DNS (Domain Name System) Computers only understand numbers, so why can you type a web address and get online? Dr. Lookup About 10 min
  8. Lesson 8 Who Gives Me an Address? DHCP and NAT The moment you join Wi-Fi, who gives you an address? Rue About 10 min
  9. Lesson 9 Handshake First or Send It Fast? TCP, UDP and Ports Is data sent the same way when you watch a video and when you send a message? Pip About 10 min
  10. Lesson 10 After You Type a URL: What Happens When You Open a Website? From pressing Enter to the page appearing, what happens in between? PipMacRue+3 About 10 min

How does each lesson work?

Every lesson follows the same pattern, so you will feel at home in no time.

  1. 1

    Comic Opening

    A 3 to 4 panel comic that sets up the problem.

  2. 2

    Key Idea

    Analogy first, then the definition, in under 200 words.

  3. 3

    A Closer Look

    The real technical details, with labelled diagrams.

  4. 4

    Try It Yourself

    Small tasks and mini games on your phone or computer.

  5. 5

    Where the Analogy Breaks

    An honest look at where the analogy is not quite right.

  6. 6

    Quiz

    Three multiple-choice questions with instant explanations.

  7. 7

    Key Notes

    A summary of 3 to 5 key points.

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