Quiz

2707 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 areas2707 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98

Difficulty Any beginner intermediate advanced

4 questions in Refactoring & Re-architecting.

Quiz

A high-change application is constrained by its structure. What distinguishes refactoring from re-architecting here, and how do you choose?

A team proposes rewriting a critical system from scratch, arguing the existing one is unmaintainable. How do you evaluate this?

Six months into a two-year re-architecture you become convinced the target architecture is wrong. Walk me through how you raise it and what you propose.

When would you re-architect rather than replatform, and how would you sequence it?