Portfolio ↗

Quiz

2908 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 areas2908 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture95 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization92 AI-Era Architecture96 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 Reversibility.

  1. Reversibility intermediate

    A team must decide quickly under uncertainty. How should decisions be classified so that speed is applied where it is safe?

    2 min answer growwreversibilityspeeddecisions
  2. Reversibility intermediate

    How should reversibility change how much analysis a decision receives, and how do you assess whether a decision is genuinely reversible?

    2 min answer reversibilitydecision-makingone-way-dooranalysis
  3. Reversibility advanced

    How should reversibility change the process applied to a decision, and which decisions are commonly misclassified?

    2 min answer reversibilityone-way-doorprocessspeed
  4. Reversibility beginner

    Two choices ship in the same sprint - the field names in a public webhook payload and the queue library used inside one service. Eighteen months later, renaming the fields is a nine-month deprecation programme and swapping the queue library is a two-day job. Neither was flagged as irreversible at the time. What actually made one of them hard to undo?

    3 min answer reversibilitytwo-way-doorcontractsdata-migration
  5. Reversibility intermediate

    You have limited time to deliberate. Which decisions on a new platform deserve it, and which should be made quickly?

    1 min answer decision-makingreversibilityprioritisation