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Quiz

2777 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 areas2777 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture100 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering93 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture102 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture99 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

2777 questions.

  1. Data-Flow Diagrams intermediate

    A data-flow diagram in your compliance pack was drawn eight months ago and is signed off. A reviewer asks how you know it is still accurate. What would you change about how it is produced, and what would you keep doing by hand?

    2 min answer data flowlineageautomationcompliance
  2. Data-Flow Diagrams intermediate

    A platform must demonstrate to a reviewer where personal data goes. Which diagram serves this, and what must it include that a component diagram does not?

    2 min answer data-flowprivacyresidencytrust-boundaries
  3. Data-Flow Diagrams advanced

    A regulator asks where a specific customer's personal data is held. Which artefact answers that and what must it include?

    2 min answer data-flowprivacystorestrust-boundaries
  4. Data-Flow Diagrams advanced

    Your signed-off data-flow diagram shows personal data leaving the EU through exactly one named processor. A platform team then adds a tracing agent that captures request bodies on error, and its collector exports to a log store in another region with 400-day retention. What happens, step by step, and what stops it?

    3 min answer data-flow diagramtelemetryresidencyretention
  5. Data Governance intermediate

    A dashboard has been wrong for three weeks. Nobody knows which upstream produced the table it reads. What is the governance failure, and what fixes it?

    2 min answer governancelineageownershipcontracts
  6. Data Governance advanced

    In a large enterprise, multiple teams write directly to the same core business tables and change schemas independently. What problems emerge, and what governance changes fix them without stopping delivery?

    3 min answer governanceownershipschema-changecoupling
  7. Data Governance intermediate

    Two teams compute "active user" differently and both numbers appear in board reporting. Which governance mechanisms address this, and which would not?

    2 min answer governancedefinitionscatalogueownership
  8. Data Governance & Semantics advanced Multiple choice

    A multi-tenant business application holds customer data for tens of thousands of organisations, each with its own compliance obligations. Which governance model actually works at that scale?

    1 min answer governancemulti-tenancypolicy-as-codedelegation
  9. Data Governance & Semantics advanced

    An interviewer says - our data governance programme is eighteen months old. We have a catalogue, a glossary, twelve part-time stewards and a monthly council. The CFO asked last week whether it is working and I could not answer. What would you measure, and what would you tell leadership if the numbers are bad?

    3 min answer governancemeasurementstewardshipenforcement
  10. Data Governance & Semantics advanced

    You inherit an enterprise data estate with no governance at all and a two-year mandate. What do you do first?

    1 min answer governancesequencingprioritisationpragmatism
  11. Data Lakes & Lakehouses intermediate Multiple choice

    A company is building a new analytics platform. Moderate data volume, heavy BI usage, strong governance requirements, a small data team. Warehouse or lakehouse?

    2 min answer lakehousewarehouseuberoperations
  12. Data Lakes & Lakehouses intermediate Multiple choice

    A data platform runs interactive analyst queries alongside multi-hour batch pipelines on shared compute. Interactive latency becomes unpredictable. What is the architectural fix?

    2 min answer databricksworkload-isolationlakehousecompute