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
2 questions in BI Governance.
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BI Governance advanced Multiple choice
At 09:10 an executive dashboard shows yesterday's conversion down 38%. By 09:40 every pipeline is confirmed healthy, row counts are normal and no schema changed. At 10:50 someone finds a pull request merged at 23:38 that changed the semantic layer's definition of a converted session. Fourteen experiments were mid-flight. Which design change most directly prevents a repeat?
3 min answer bi-governancesemantic-layerexperimentationmetric-versioning -
BI Governance advanced
Booking.com has described running more than 1,000 concurrent experiments in a 2017 paper on democratising experimentation. Before you let a thousand teams define their own metrics at that concurrency, what must be true of the semantic layer and the pipelines underneath?
2 min answer bookingexperimentationsemantic-layermetric-governance