Quiz
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
5 questions in BI Governance.
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BI Governance intermediate Multiple choice
A company certifies 400 of its 4000 dashboards with a badge an owner and a review at the moment the badge is granted. Eighteen months later an audit finds the certified set has the highest proportion of reports whose underlying model has changed since certification. Review the design. Which single change matters most?
2 min answer bi governancecertificationstalenessattestation -
BI Governance intermediate
A travel company has thousands of dashboards, several conflicting definitions of the same metric, and a large BI bill. Diagnose it.
1 min answer bi-governancemetric-consistencysprawlcost -
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 -
BI Governance intermediate
Two dashboards disagree about revenue. What mechanism would have prevented it, and what would not?
2 min answer bi-governancesemantic-layercertificationdefinitions