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

53 questions in Cloud Architecture.

Quiz

A multi-region active-active deployment allows writes in every region. Classify entities by the conflict strategy each needs, and describe how cross-region failover should be tested.

After its October 2021 outage Roblox said it was moving to multiple availability zones and data centres from a single-data-centre footprint of more than 18000 servers and 170000 containers coordinated by one shared cluster. Sequence that migration under live traffic and say where it can go wrong.

Leadership asks for multi-region "for resilience". What do you establish before designing anything?

A serverless GPU platform has workloads with very expensive startup costs. How should predictive scaling, prewarming, scheduled capacity, autoscaling and queue-based smoothing be compared?

A spike causes a function to fan out to 5000 concurrent executions. The database's connection limit is exhausted and everything fails. What are your options?