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

Difficulty Any beginner intermediate advanced

4 questions in Data Classification.

Quiz

A consumer finance platform wants to apply controls proportionate to data sensitivity. How should classification work so it actually drives behaviour?

A data platform labels tables as public internal confidential or restricted in its catalogue. Six months on an auditor finds restricted columns in a dashboard that 400 people can open. Which control would have actually prevented it?

A developer needs to reproduce a bug that only occurs with a specific customer's data. What do you allow?

A platform handles customer addresses, payment details, order history, retailer pricing and shopper location. Why does data classification matter architecturally, and what goes wrong without it?