Quiz

2948 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 areas2948 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking96 API & Integration Architecture87 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

5 questions in Financial Services Regulation.

Quiz

A national payments rail routes billions of transactions across banks of varying reliability, and a bank switch times out after debiting but before confirming. How should timeouts, deemed status, reconciliation, reversals and customer messaging be designed so money is never lost or double-spent?

A payments institution must satisfy prudential and conduct regulation. Which architectural properties do these requirements actually demand?

An exit plan requirement must be credible and tested. What does that mean for how you build?

Interview. A regulator asks you to demonstrate that a specific customer payment processed on 14 March could not have been handled outside the UK. Walk me through what you would show, and what you would have had to build beforehand.

What does financial services regulation demand of architecture that a general-purpose system does not provide?