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Quiz

2627 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 areas2627 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture77 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture85 Cost Architecture & FinOps82 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization82 AI-Era Architecture86 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture88 Streaming & Real-Time Data93 Data Governance & Semantics81 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk88
Difficulty Any beginner intermediate advanced

981 questions.

  1. Analytics Cost Control intermediate

    An analytics platform's cost is growing faster than its usage. What causes it, and which controls work without blocking analysts?

    2 min answer costwarehousepruninggovernance
  2. Analytics Cost Control intermediate

    One analyst's query cost £4,000 in a single afternoon. Leadership wants a policy. What do you actually implement?

    1 min answer finopswarehouseguardrails
  3. Analytics Cost Control intermediate

    The analytics bill has tripled in six months with no corresponding growth in users or data volume. Where do you look?

    1 min answer finopsanalyticscostgovernance
  4. Anti-Corruption Layer intermediate

    A card platform integrates with a network whose data model and semantics differ fundamentally from its own. Where should the translation live and what discipline does it require?

    2 min answer marqetaanti-corruption-layerintegrationmodel
  5. Anti-Corruption Layer intermediate

    A new service must integrate with a legacy system whose data model is entangled and poorly named. What does an anti-corruption layer actually do, and how do you know it is working?

    2 min answer anti-corruption-layerdddlegacyintegration
  6. Anti-Corruption Layer intermediate

    A platform integrates retailer systems with inconsistent models. What does an anti-corruption layer prevent, and where does it belong?

    2 min answer anti-corruption-layertranslationmodelspartners
  7. Anti-Corruption Layer intermediate Multiple choice

    A team integrates a vendor CRM whose customer model contradicts theirs. Six months later vendor field names and status codes appear throughout the codebase. What was missing and what is the fix now?

    2 min answer acldddintegrationlegacy
  8. API Documentation intermediate

    A team generates its entire API reference from code annotations and deletes the hand-written guide. Six months later integrators are opening more support tickets, not fewer, and every one of them is technically answerable from the reference. What did generation buy, and what did it destroy?

    2 min answer hugging faceapi documentationdeveloper experiencedrift
  9. API Documentation intermediate

    A workspace platform's API is well designed but developers repeatedly build integrations that break under real conditions. What is missing from the documentation, and what should be added?

    2 min answer api-documentationdeveloper-experiencesemanticsnotion
  10. API Documentation intermediate

    Why is documenting an API's failure and retry semantics more important than documenting its success behaviour?

    2 min answer documentationstripeidempotencydeveloper-experience
  11. API Documentation intermediate

    Your platform has 60 internal APIs. Teams repeatedly rebuild capabilities that already exist because they cannot find or understand them. What do you build?

    2 min answer documentationdeveloper-portaldiscoveryspec-first
  12. API Gateway intermediate

    An API gateway has accumulated authentication, rate limiting, routing, response transformation, request validation and some business logic. Which of these belong there?

    2 min answer razorpaygatewaycross-cuttingcoupling