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

Difficulty Any beginner intermediate advanced

3 questions in Coupling.

Quiz

A communications API platform finds that adding a new messaging channel requires coordinated changes in the gateway, the billing service, the webhook dispatcher and the console UI, across four teams. What would you change about the coupling, and what should you deliberately leave alone?

A company split its monolith into 14 services. Deployments now require a coordinated release plan across teams and one user action traverses six synchronous hops. What went wrong and what would you do?

A social product is launched on top of an existing platform's identity, graph and infrastructure, and reaches 100 million users in five days. Which components are safe to borrow, which must be isolated, and what does this say about coupling?