Portfolio ↗

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

45 questions in Platform Engineering.

  1. Internal Developer Platform advanced

    An organisation is building an internal developer platform. What should be in scope, and what is the most common scoping error?

    2 min answer idpscopeabstractionself-service
  2. Internal Developer Platform advanced

    Leadership asks whether to build an internal developer platform or buy one. Twelve teams, forty services, growing. How do you frame the decision?

    2 min answer platformbuild-vs-buydeveloper-experience
  3. Platform Adoption advanced

    You built an internal developer platform. Eighteen months in, adoption is 30% and the rest of the estate has built its own tooling. What went wrong and what do you do?

    2 min answer platformadoptionproduct
  4. Platform Adoption advanced

    You introduce service maturity scorecards. Within a month every service scores green and nothing has improved. Why, and what now?

    2 min answer metricsincentivesquality
  5. Platform Adoption advanced

    Your internal platform has been live for a year. Six of twenty teams use it; the rest built their own pipelines. The CTO proposes mandating it. What is your advice?

    2 min answer platformadoptiondeveloper-experiencegovernance
  6. Platform API Deprecation advanced

    The platform is removing v1 of its config API. Telemetry showed 412 calling services at announcement; after six months of a funded migration 9 remain - 4 have no owner in the catalogue, 3 are monthly batch jobs that touch the API only on the first of the month, and 2 belong to a team that says it will not move this quarter. Removal was promised for the end of the quarter. Sequence the removal so you keep the date and stay reversible at every step.

    3 min answer deprecationbrownoutsunsetreversibility
  7. Platform Engineering advanced

    A platform team has built substantial capability and product teams report that it slows them down. What is the diagnostic, and what usually causes it?

    2 min answer platformadoptionself-servicebottleneck
  8. Platform Engineering advanced

    You are forming a platform team of four to serve twelve product teams. What do you build first?

    1 min answer platformsequencingdeveloper-experience
  9. Platform Funding advanced

    A CIO asks why the internal platform still needs funding two years after it was "delivered". What do you say?

    1 min answer fundingplatformcommunication
  10. Platform Funding advanced

    A platform team is asked to justify its existence. What should it measure, and what happens when platforms are funded as cost centres?

    2 min answer platformfundingmetricsadoption
  11. Platform Funding advanced

    A platform team must justify continued investment when its value is indirect. What arguments and measures work?

    2 min answer platform-fundingvaluemeasurementleverage
  12. Platform Funding advanced

    Finance proposes charging teams for platform consumption to drive cost awareness. What is your view?

    2 min answer finopsplatformincentives