Quiz

2988 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 areas2988 Architecture Fundamentals91 Distributed Systems111 Data Architecture100 Cloud Architecture97 Networking96 API & Integration Architecture97 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

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3 questions in Fault Isolation.

Quiz

A financial platform's card authorisation path must survive dependency failures, deployments, overloaded downstreams and partial network failures. How should isolation, deadlines, breakers, bulkheads, caching, shedding and fallback combine?

A security vendor pushes a content update to millions of endpoints simultaneously and a malformed file crashes them all at kernel level. What should have been in place, and why is "it was data, not code" the wrong defence?

What is the single highest-value fault isolation mechanism, and why is it usually missing?