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Firewalls and access control

See how firewalls, authentication and user permissions decide who and what can reach data on a network.

⏱ 20 min❓ 8 questions

What you'll be able to do

  • ✔I can distinguish authentication from authorisation
  • ✔I can apply firewall rules in order to decide whether traffic is allowed
  • ✔I can apply the principle of least privilege to user permissions

How this works

  1. 1Read the short explanations first — they teach you what you need before each question.
  2. 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
  3. 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

8 questions and 1 quick teaching card, including:

  • 🔘Multiple choice — Tap the answer you think is best, then check it.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

Sign in and subscribe to unlock the full lesson and save your progress.

Curriculum: AC9TDI10K01