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Quiz

98 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.

All areas98 Architecture Fundamentals2 Distributed Systems26 Data Architecture23 Cloud Architecture4 Networking3 API & Integration Architecture1 Reliability & Resilience4 Observability3 Performance & Capacity Engineering3 Security Architecture3 Cost Architecture & FinOps3 Business Architecture2 Architecture Communication2 Enterprise Architecture1 Legacy Modernization2 AI-Era Architecture3 Software Architecture & Engineering3 Architecture Patterns3 Architecture Decision-Making6 The Architect's Meta-Skills1
Difficulty Any beginner intermediate advanced

3 questions in Performance & Capacity.

  1. Performance & Capacity intermediate

    Peak trading day is six weeks away and expected to be four times normal traffic. What do you do in those six weeks?

    3 min answer capacityload-testingpeakreadiness
  2. Performance & Capacity intermediate

    Precompute every user's timeline at write time, or assemble it at read time? Explain why the answer for a social feed is neither.

    2 min answer case-studytwitterfan-outpower-law
  3. Performance & Capacity intermediate

    Your system handles 1,000 requests per second today. Marketing says a campaign will bring 10,000 next month. What breaks first, and how do you find out?

    2 min answer capacitybottleneckload-testingscaling