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2948 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 areas2948 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking96 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture105 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization102 AI-Era Architecture106 Software Architecture & Engineering93 Architecture Patterns94 Architecture Decision-Making101 The Architect's Meta-Skills102 Delivery & Release Engineering103 Platform Engineering & Developer Experience102 Testing & Quality Architecture102 Data Platform Architecture98 Streaming & Real-Time Data103 Data Governance & Semantics91 Frontend & Experience Architecture101 Edge, Mobile & IoT98 Regulatory & Data Protection Architecture99 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

5 questions in Architecture Decision Records.

  1. Architecture Decision Records intermediate Multiple choice

    A 60-engineer platform organisation of nine teams is introducing decision records and leadership asks what a healthy annual volume looks like so they can tell whether the practice is working. Roughly how many records should they expect per year?

    2 min answer adrdecision-recordsestimationgovernance
  2. Architecture Decision Records intermediate

    A team writes decision records diligently and nobody reads them. What is wrong with the practice rather than the format?

    2 min answer adrdiscoverabilityrationalepractice
  3. Architecture Decision Records intermediate

    An interviewer asks you to pick an architectural decision your team made in the last year and write its decision record on the whiteboard, then hands you a fact partway through that would have changed the choice. What is being assessed, and how should you work through it?

    3 min answer adrdecision-recordsinterviewcontext
  4. Architecture Decision Records intermediate

    Review this decision log. It holds 140 records over four years in the repository. 31 are marked superseded and 9 of those name no successor. Two records state conflicting positions on the same message bus and both read "accepted". The template has a Consequences heading that is empty in 96 records. A new engineer asked what the current position on async messaging is and spent half a day finding out. What would you change, what would you remove, and what would you leave alone?

    3 min answer adrsupersessiondecision-lognavigability
  5. Architecture Decision Records intermediate

    Your team writes ADRs and nobody reads them. What is wrong with them?

    2 min answer documentationdecisionspractice