1. Architecture Reviews advanced

    An architecture review board has become a bottleneck that teams route around. What should replace it?

    2 min answer confluentreviewgovernancebottleneck
  2. Architecture Reviews advanced

    An enterprise's architecture review board is seen by engineering teams as a gate to be survived rather than a source of value. What should change?

    2 min answer architecture-reviewgovernancetimingvalue
  3. Architecture Reviews advanced

    An interviewer tells you: you now own architecture review for 400 engineers in 40 teams. Median time from submitting a design to getting a decision is 19 days, and three teams shipped significant designs without review last quarter. Talk me through what you change.

    3 min answer architecture-reviewqueueingtriagedecision-latency
  4. Architecture Reviews advanced

    Architecture review boards are widely disliked and frequently ineffective. What makes a review actually improve a design, and what should the reviewer's posture be?

    3 min answer architecture-reviewgovernancefeedbackdecision
  5. C4 Model advanced Multiple choice

    An 80-engineer platform group keeps 60 hand-drawn architecture diagrams in a drawing tool and wants a single text model in version control that renders context and container views. Delivery cannot pause for this. Which first step is both useful and reversible?

    3 min answer c4diagrams-as-codemigrationreversibility
  6. Architecture Communication advanced

    An interviewer asks how you decide how much to say publicly, and how often, during an incident in which you have lost customer data. GitLab live-streamed its January 2017 database recovery and kept a publicly visible running document. Argue both sides of that level of disclosure, and say what you would commit to.

    3 min answer gitlabincident communicationdisclosuretransparency
  7. Data-Flow Diagrams advanced

    A regulator asks where a specific customer's personal data is held. Which artefact answers that and what must it include?

    2 min answer data-flowprivacystorestrust-boundaries
  8. Data-Flow Diagrams advanced

    Your signed-off data-flow diagram shows personal data leaving the EU through exactly one named processor. A platform team then adds a tracing agent that captures request bodies on error, and its collector exports to a log store in another region with 400-day retention. What happens, step by step, and what stops it?

    3 min answer data-flow diagramtelemetryresidencyretention
  9. Writing Decision Records advanced

    What distinguishes a postmortem that changes the system from one that produces a document, and what makes blamelessness a technical practice rather than a cultural nicety?

    3 min answer googlesrepostmortemblameless
  10. Presenting to Engineers advanced

    How do you get a team to adopt an approach they initially disagree with?

    2 min answer influencecredibilityreasoningcollaboration
  11. Presenting to Executives advanced

    An architect must explain to executives why a two-year platform investment is needed. What should the communication contain, and what must be excluded?

    2 min answer executive-communicationbusiness-caserisksalesforce
  12. Presenting to Executives advanced

    Two hours into a major outage an executive asks for a restoration time. The team's honest position is "probably three hours, unless the data is inconsistent, in which case a day." What happens if you give the three-hour number, and what should you say instead?

    2 min answer incident communicationestimationtruststakeholders