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The TCP/IP Stack & Application-Layer Protocols

AQA 75174.9.4A-levelLesson packSubscription
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Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 9 questions
  • 38 marks
  • about 50 minutes
  • marked instantly

Question types: multiple choice, matching, short answer, multi-part, extended answer.

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About this resource

Understand the role of the four layers of the TCP/IP stack (application, transport, network, link), the role of sockets and MAC addresses, well-known versus client (ephemeral) ports, and the standard application-layer protocols FTP, HTTP, HTTPS, POP3, SMTP and SSH.

24 slides.

Lesson outline

  1. Retrieval: What You Already Know About Networks
  2. Key Vocabulary
  3. Quick Check — Reading the Glossary
  4. One Job, Split Into Four Layers
  5. The TCP/IP Stack — Layer by Layer
  6. Hinge Check — How Many Layers?
  7. Watch Me Trace It — Requesting a Web Page
  8. We Do — Sort Each Item Into Its Layer
  9. The Role of Sockets
  10. Socket = IP Address + Port Number
  11. Hinge Check — Is a Socket Just a Port?
  12. Well-Known Ports vs Client (Ephemeral) Ports
Unit bundlePaper 2
Part of: Paper 2: the whole unitEvery resource in the unit in one zip.

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