Quiz

2667 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 areas2667 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 Architecture86 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 Architecture88 Streaming & Real-Time Data93 Data Governance & Semantics81 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk88

Difficulty Any beginner intermediate advanced

4 questions in HTTP/1.1, HTTP/2 & HTTP/3.

Quiz

A platform is considering moving customer traffic to HTTP/3. What does it actually improve, for whom, and what does it complicate?

A team upgrades to HTTP/3 and median page load time is unchanged. Was the upgrade worthless?

A video platform moves from HTTP/2 over TCP to HTTP/3 over QUIC. Which specific problems does this solve for video delivery, and what new operational costs appear?

You migrate a mobile API to HTTP/2 and p99 latency gets worse for users on cellular networks, while p50 improves. Explain and decide what to do.