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Quiz

2707 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 areas2707 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 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 Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

2707 questions.

  1. Business Continuity advanced

    Your primary system is unavailable for six hours. What must the business be able to do without it, and what have you prepared?

    2 min answer continuitymanual-workaroundsprioritisationcommunication
  2. Business Glossary beginner

    A 60-person company is told it needs a business glossary. Twelve people work with data and there are about 25 terms that anyone argues about. A glossary tool costs a subscription and a week of setup. What does the tool buy over one spreadsheet with a named owner, and when does the spreadsheet win?

    3 min answer business-glossarypragmatismlinkagedrift
  3. Business Glossary intermediate

    A governance programme harvests 1,400 candidate business terms from dashboard titles and column comments and proposes to define and own all of them. Roughly how many terms can an organisation actually keep true, and what does that number change about the plan?

    3 min answer business glossarydefinitionsgovernance capacityreview cadence
  4. Business Glossary intermediate

    Finance, sales and product each define "active customer" differently, and all three are correct for their purpose. How should the glossary handle this?

    1 min answer glossarysemanticsdefinitionsgovernance
  5. Business Glossary intermediate

    Three dashboards report different numbers for "active users" and each is defensible. What is the actual problem, and what does a semantic layer have to provide to fix it?

    2 min answer semantic-layermetricsdefinitionsgovernance
  6. Business KPIs intermediate

    A marketplace launches in a new city. Supply and demand are both near zero. What architectural support does this need?

    2 min answer marketplacecold-startconfigurationexperimentation
  7. Business KPIs intermediate

    A streaming platform's engineering team optimises for latency and availability while the business measures watch time and creator retention. How should these connect?

    2 min answer kpissloalignmentmeasurement
  8. Business KPIs intermediate Multiple choice

    An architecture group wants one metric on the company's executive dashboard, next to revenue and churn. Which one earns its place?

    2 min answer kpisexecutivesunit economicsmeasurement
  9. Business KPIs advanced

    How would you justify a six-week reliability investment to a commercial stakeholder?

    2 min answer business-casekpiscommunicationoutcomes
  10. Business KPIs advanced

    Instacart's 2023 S-1 reported 2022 revenue of $2,551M, split $1,811M transaction and $740M advertising and other. You are the architect for the ad-serving path inside the shopping app. The interviewer asks which business KPI your next six months of work moves, and how you would prove it moved. Talk me through your answer.

    3 min answer instacartkpisattributionadvertising
  11. Business Metrics intermediate

    A marketplace's technical dashboards are all green during a checkout failure that costs significant revenue. What kind of monitoring was missing?

    2 min answer meeshobusiness-metricsdetectionfunnels
  12. Business Metrics intermediate

    A marketplace's technical metrics are all healthy during an incident in which sellers cannot list items. Why did technical monitoring miss it, and what should be measured?

    2 min answer business-metricsdetectionsilent-failureetsy