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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. DORA Metrics intermediate

    Etsy released StatsD in 2011 alongside a blog post titled "Measure Anything, Measure Everything". The client sends UDP packets and does not care whether anything is listening. What problem forced that design, and what does it have to do with deploying many times a day?

    2 min answer etsystatsdinstrumentationudp
  2. EA Domains beginner Multiple choice

    A team says a choice is "an enterprise architecture concern, not ours". What actually distinguishes an enterprise-level decision from a team-level one?

    2 min answer governanceautonomyboundariesdecision-scope
  3. EA Domains intermediate

    An enterprise architecture function is asked to cover business, application, data and technology domains. Where should its effort concentrate in a fast-growing company?

    1 min answer ofbusinessea-domainsprioritisationdata
  4. EA Domains intermediate

    An enterprise architecture practice is strong in technology architecture and weak in business and data architecture. What problems does that imbalance cause?

    2 min answer ea-domainsbusiness-architecturedata-architecturebalance
  5. EA Domains intermediate Multiple choice

    Which enterprise architecture domain produces the most value in practice, and why?

    2 min answer enterprise-architecturedatadomainsownership
  6. EA Frameworks beginner

    A company of 900 engineers has no enterprise architecture function and every team designs its own systems competently. Which decisions are genuinely absent, rather than simply made elsewhere?

    3 min answer enterprise-architecturedecision-rightsstandardsea-function
  7. EA Frameworks intermediate

    A fast-growing technology company is deciding whether to adopt a formal EA framework. What should decide it, and what is the alternative?

    2 min answer ea-frameworksfitlightweightgrowth
  8. EA Frameworks intermediate

    An EA team adopts a full content metamodel and records applications, their owners, their data entities, their hosting, their integrations and their lifecycle status. Maintenance is a quarterly email asking owners to confirm their entries. What does the repository look like in two years?

    3 min answer ea-frameworksmetamodeldata-qualityinventory-decay
  9. EA Frameworks beginner Multiple choice

    Fourteen teams produce architecture diagrams nobody can compare. The same rectangle means a single service in one diagram and an entire platform in another; arrows sometimes mean data flow and sometimes deployment. Leadership cannot answer which applications support the claims capability or which run on the estate leaving support next year. The CIO asks which EA framework to adopt. Which move addresses the actual problem?

    3 min answer ea-frameworksarchimatetogafzachman
  10. EA Frameworks intermediate

    Which enterprise architecture artefacts would you actually maintain, and why those?

    2 min answer artefactsframeworksdecisionsmaintenance
  11. EA Metrics advanced

    An architecture practice reports 92% standards compliance (up from 61%), an application inventory at 100% coverage, and 40 reference architectures published. Over the same period, lead time for changes has risen from 9 to 17 days and the change failure rate is flat. What is happening, and what would you measure instead?

    3 min answer ea-metricsgoodhartdora-metricscoordination-cost
  12. EA Metrics intermediate

    An enterprise architecture function needs to demonstrate value. Which metrics are meaningful and which are vanity?

    2 min answer ea-metricsoutcomesvaluemeasurement