Portfolio ↗

Quiz

2827 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 areas2827 Architecture Fundamentals91 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-Making101 The Architect's Meta-Skills92 Delivery & Release Engineering103 Platform Engineering & Developer Experience92 Testing & Quality Architecture102 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture101 Edge, Mobile & IoT98 Regulatory & Data Protection Architecture99 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

102 questions in Testing & Quality Architecture.

  1. Consumer-Driven Contracts intermediate Multiple choice

    Twelve services, six teams, one shared event schema plus a dozen REST APIs between them. Breaking changes reach other teams about twice a month, always discovered in the shared staging environment a day or two after the merge. Which verification approach fixes this?

    4 min answer contract testingpactschema registryintegration
  2. Consumer-Driven Contracts advanced

    Why are consumer-driven contracts more useful than provider-published schemas, and what does the direction change?

    2 min answer contractsconsumer-drivendeprecationcoupling
  3. Contract Testing at Scale advanced

    A platform has many internal services and many external API consumers. Where does contract testing apply, and what replaces it where it cannot?

    2 min answer postmancontract-testingconsumersreplay
  4. Contract Testing at Scale advanced

    An organisation with hundreds of services adopts contract testing. What breaks at that scale, and what must be added?

    2 min answer contract-testingscaleversioningbroker
  5. Contract Testing at Scale intermediate

    Three teams keep breaking each other's services with API changes. Someone proposes contract testing. How do you introduce it without a six-month programme?

    2 min answer contractstestingintegrationadoption
  6. Contract Testing at Scale advanced Multiple choice

    Two teams argue: one wants a shared integration environment running all services, the other wants contract testing. Adjudicate.

    2 min answer contract-testingintegrationmicroservices
  7. Contract Testing at Scale advanced

    You have run consumer-driven contract testing across 60 services for two years. The finance director asks whether it is still worth what it costs. How do you answer, and what would make you recommend stopping?

    3 min answer contract-testinginterviewsevidenceverification-cost
  8. End-to-End Test Economics intermediate

    A team's end-to-end suite takes ninety minutes and fails intermittently. How many end-to-end tests should there be?

    2 min answer chargebeee2eeconomicscoverage
  9. End-to-End Test Economics advanced

    An end-to-end suite of 340 tests takes four hours and fails spuriously about half the time. The team wants to parallelise it. Is that the right move?

    2 min answer testinge2eflakinessstrategy
  10. End-to-End Test Economics advanced

    An organisation has a large end-to-end test suite that is slow, flaky and blocks releases. What is the economically correct shape, and how do you get there without losing coverage?

    2 min answer test-pyramidflakye2econtract-testing
  11. End-to-End Test Economics intermediate

    End-to-end tests fail intermittently and nobody owns them. QA says the developers broke them; developers say the tests are flaky. How do you resolve this?

    2 min answer testingownershipflakinessorganisation
  12. End-to-End Test Economics advanced

    How should the number of end-to-end tests be decided, and what is the honest accounting?

    2 min answer end-to-endcostflakinessvalue