Phase 15 · Interview Preparation

Systems & Infrastructure

Linux & Networking Questions

Part of the DevOps Roadmap.

Summary

'How would you troubleshoot a server with high CPU usage?' or 'explain what happens when you type a URL into a browser' — testing genuine command-line and networking fluency from Phases 2-3.

How to Learn This

  • 1Review Phases 2-3 and practice explaining each concept without notes.
  • 2Practice a live troubleshooting scenario using ps, top, and networking tools.
  • 3Prepare to walk through the full DNS-to-response flow for a web request.

More systems & infrastructure in Interview Preparation

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