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Quiz

2988 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 areas2988 Architecture Fundamentals91 Distributed Systems111 Data Architecture100 Cloud Architecture97 Networking96 API & Integration Architecture97 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

2988 questions.

  1. Prioritisation intermediate

    120 engineers wait on a 45-minute pipeline, merging about 6 times a week each. Estimate the annual cost of that wait, and say what the number does and does not justify.

    2 min answer estimationdeveloper-productivityprioritisationcost-of-delay
  2. Prioritisation intermediate

    An architect has more improvement proposals than the organisation has capacity. What sequencing rule matters most?

    1 min answer prioritisationenabling-workleveragecost-of-inaction
  3. Prioritisation intermediate

    An architect has more work than capacity and every item has an advocate. What method produces a defensible allocation?

    2 min answer nykaaprioritisationcapacityallocation
  4. Prioritisation beginner

    An architecture improvement backlog has 14 items and capacity for three this quarter. Why does scoring the items fail to prevent the same argument next quarter, and what should sit beside each item instead?

    3 min answer prioritisationbacklogtriggersdecision-rules
  5. Prioritisation intermediate

    You are a new architect and every team tells you a different story about what is wrong. How do you decide where to start?

    1 min answer meta-skillsprioritisationonboarding
  6. Prioritisation advanced

    You have capacity for two of five legitimate architectural initiatives. How do you choose?

    2 min answer prioritisationleverageconstraintirreversibility
  7. Privacy by Design beginner Multiple choice

    A food-delivery app of Zomato's shape must refuse alcohol orders to under-18s. The sign-up form asks for a full date of birth and the team is about to store it on the user row alongside the address. What should the account record hold instead, and what does the full date of birth cost you later?

    3 min answer data-minimisationderived-attributesgdpr-article-25age-verification
  8. Privacy by Design advanced

    A privacy review finds that a customer's date of birth and partial bank details are visible in session-replay recordings for a subset of users, although the analytics vendor's configuration masks those fields. It affects roughly 3% of sessions, all on one flow. Where do you look, and what does the pattern tell you?

    3 min answer session-replaymaskingthird-party-scriptsdata-minimisation
  9. Privacy by Design advanced

    On 20 March 2023 a change to OpenAI's servers spiked Redis request cancellations, a redis-py bug returned another user's cached reply on a pooled connection, and chat titles plus payment details of roughly 1.2% of active ChatGPT Plus subscribers were exposed during a nine-hour window. Which design decision turned a client-library bug into a personal-data breach?

    3 min answer openaicacheconnection-poolbreach
  10. Privacy by Design intermediate

    Product wants to add a recommendation feature using browsing history. Legal asks for a data protection impact assessment. What does architecture need to supply?

    2 min answer privacydpiadesigncompliance
  11. Privacy by Design advanced

    What does privacy by design mean architecturally rather than as a policy statement, and which decisions must be made first?

    2 min answer jupiterprivacyminimisationdefaults
  12. Privacy by Design advanced

    What does privacy by design mean concretely at the point of designing a system, rather than as a principle?

    1 min answer privacyminimisationdesigndefaults