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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 Software Architecture.

  1. Software Architecture advanced

    Knight Capital lost roughly $460M in 45 minutes in 2012 after a deployment reached seven of eight servers. Which architectural failures made that possible, and which one would you fix first?

    2 min answer deploymentfeature-flagskill-switchcase-study
  2. Software Architecture advanced

    Uber reached roughly 2,200 microservices and found the estate incomprehensible. Their fix was not consolidation. What was it, and why does it generalise?

    2 min answer case-studyubermicroservicesboundaries
  3. Software Architecture advanced

    You need to ship a rewrite of the pricing engine. Same inputs, same expected outputs, completely new implementation. How do you release it?

    2 min answer releasecanarytestingrisk