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
4 questions in AI Observability.
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AI Observability advanced
A fraud model has been in production for eight months. Ground truth arrives weeks later. How do you know if it is still working?
2 min answer mlmonitoringdrift -
AI Observability advanced
Anthropic reported in 2025 that a routing bug sent a share of Claude Sonnet 4 requests to servers configured for a different context length, peaking at 16% of those requests in the worst hour on 31 August, and that it took weeks to identify. Error rates never moved. Which design decision allowed the delay and what telemetry closes it?
3 min answer anthropicpostmortemsilent-regressionrouting -
AI Observability advanced
What must be observable in an AI feature that is not covered by conventional application monitoring?
2 min answer ai-observabilitytracingqualitycost -
AI Observability advanced
You are asked to log every prompt and response for an assistant handling 2 million interactions a day, so quality regressions are diagnosable. Roughly how much data does that commit you to per year, and does the number change the design?
3 min answer observabilityloggingretentioncost