Quiz

275 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 areas275 Architecture Fundamentals9 Distributed Systems26 Data Architecture23 Cloud Architecture19 Networking17 API & Integration Architecture13 Reliability & Resilience9 Observability8 Performance & Capacity Engineering6 Security Architecture16 Cost Architecture & FinOps6 Business Architecture7 Architecture Communication6 Enterprise Architecture6 Legacy Modernization7 AI-Era Architecture6 Software Architecture & Engineering6 Architecture Patterns6 Architecture Decision-Making12 The Architect's Meta-Skills6 Delivery & Release Engineering6 Platform Engineering & Developer Experience6 Testing & Quality Architecture6 Data Platform Architecture6 Streaming & Real-Time Data6 Data Governance & Semantics6 Frontend & Experience Architecture6 Edge, Mobile & IoT6 Regulatory & Data Protection Architecture6 Assurance, Audit & Model Risk7

Difficulty Any beginner intermediate advanced

5 questions in Data Platform Architecture.

Quiz

A CDC pipeline feeding your warehouse falls three hours behind during a source system's batch job, and the source's transaction log retention is 24 hours. What is the risk and what do you change?

A team is choosing between Iceberg, Delta and Hudi for a new lakehouse. How would you approach the decision?

A warehouse table now feeds the CRM through reverse ETL. It breaks, and the analytics team and the CRM team each say it is the other's problem. How do you resolve it?

A transformation project has grown to 600 models with chains twelve deep. A change at the base has an unknowable blast radius. What do you do?

Leadership wants to consolidate a warehouse, a data lake and three departmental marts into a lakehouse. How do you scope and sequence this?