Phase 15 · Interview Preparation

Technical Fundamentals

Networking & Protocol Questions

Part of the Cybersecurity Roadmap.

Summary

'Explain what happens when you type a URL into a browser' or 'how does ARP spoofing work?' — testing genuine networking fluency from Phase 2, foundational to nearly every security role.

How to Learn This

  • 1Review Phase 2 and practice explaining each concept without notes.
  • 2Practice walking through the full DNS-to-response flow for a web request.
  • 3Prepare to explain at least 2 network-based attack techniques in detail.

More technical fundamentals in Interview Preparation

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