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Quiz

2667 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 areas2667 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 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

993 questions.

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Business Processes intermediate Multiple choice

    A food-delivery platform handles 220,000 orders a day. About 1.8% of orders raise a refund dispute. Automated rules settle most of them but 22% reach a human agent who spends roughly 9 minutes per case. A fully loaded agent costs about £38,000 a year and delivers about 1,500 productive hours. Roughly what does the manual tail cost per year?

    3 min answer process-automationestimationunit-economicsexception-handling
  7. Business Processes intermediate

    A manual onboarding process handles about 400 cases a month. Automation covers the standard path, and after six months roughly 20% of cases still go to a person because each has some exception. The team proposes automating the remaining exceptions. How should this be sequenced?

    2 min answer process automationexceptionslong tailoperations
  8. Business Processes intermediate

    A process takes eleven days end to end and involves four hours of actual work. What does that tell you and where do you look?

    2 min answer processflowhandoffswait-states
  9. Business Understanding intermediate

    How does knowing a company's business model change your architectural choices?

    2 min answer businessprioritiestradeoffscontext
  10. Business Understanding intermediate

    Why does an architect need to understand the business model, and what specifically changes in the design if they do?

    2 min answer physics-wallahbusiness-modelunit-economicsconstraints
  11. Business Understanding intermediate

    Why does business understanding change an architect's technical decisions, not just their communication?

    2 min answer business-understandingprioritiesconstraintsdecisions
  12. C4 Model intermediate

    A team adopts a layered diagram model and produces every level for every part of the system. What has gone wrong, and how should the model be used?

    2 min answer c4diagramsgranularitymaintenance