Sequence 9 — Communication, Networking & Responsible Computing

Networking fundamentals, hardware, protocols, the Internet, cybersecurity and ethical/legal/moral/cultural/environmental issues. Completes Year 12 and prepares for Year 13. AQA 4.7, 4.8 & 4.9, Lessons 56–63.

Fundamentals of Networking

  • Define a computer network
  • Distinguish between LANs and WANs
Lesson ready

Network Hardware

  • Identify the purpose of common networking devices
  • Compare client-server and peer-to-peer networks
Lesson ready

Protocols and Standards

  • Explain the purpose of communication protocols
  • Identify common Internet protocols
Lesson ready

The Internet and the World Wide Web

  • Distinguish between the Internet and the World Wide Web
  • Explain the purpose of DNS
Lesson ready

Network Security

  • Identify common cyber threats
  • Explain methods used to secure networks
Lesson ready

Ethical, Legal, Cultural and Environmental Issues

  • Explain the ethical, legal, cultural and environmental impacts of computing
  • Evaluate stakeholder perspectives
Lesson ready