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Computers & Digital Literacy · Grade 6

Networks and Internet Protocol Models

Learners follow data from a tablet in the Cedar Valley Library to a web server across the internet. They learn that the internet is a network of networks joined by routers, that data travels as numbered packets that can take different routes, that DNS turns names into IP addresses, and that agreed rules called protocols are organized in a simple four-layer model, explained with a postal analogy.

  • 4 lessons
  • About 95 minutes
  • Networks and protocols check: 10 questions
  • Ways to answer: fill in the blanks, choose an answer, trace code, match pairs, type a number and put in order
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What learners will discover

  • Describe a network as devices joined by links, and tell a local network apart from the internet, a network of networks joined by routers.
  • Explain how data is split into packets with headers (source, destination, sequence number) that may take different routes and are reassembled.
  • Explain an IP address as a device's network address and DNS as the lookup that turns a domain name into an IP address.
  • Explain protocols as agreed rules and use a simplified four-layer model (application, transport, internet, link) to describe how a message is sent.

Lessons

  1. Devices, links and a network of networks 6 steps4 practiceabout 22 min
  2. Packets: data in numbered pieces 7 steps5 practiceabout 24 min
  3. IP addresses and DNS 6 steps4 practiceabout 24 min
  4. Protocols and a four-layer model 7 steps4 practiceabout 25 min
  5. Networks and protocols check 10 questions at the end

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Guide for grown-ups