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 Caching for Performance.

Quiz

A read-heavy content platform must scale. In what order should caching, replicas, denormalisation, CDN and query optimisation be applied, and what determines the order?

A search platform adds a cache and sees only a small latency improvement. What are the likely reasons, and what should be measured?

A service adds an in-process cache in front of its shared Redis tier to remove a 1 ms round trip. What has the team given up, and at what scale does that bill arrive?

What happens to your system if the entire cache tier is flushed at peak traffic?

Which caching failure appears only under load, and what are the fixes in order of deployability?