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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

6 questions in Multi-Region Architecture.

  1. Multi-Region Architecture advanced

    A collaborative design tool has users in one document spread across continents, needing sub-100 ms feedback on every edit. Should the document's authoritative state be multi-region writable, single-region, or something else?

    2 min answer multi-regionlatencycollaborationfigma
  2. Multi-Region Architecture advanced

    A global retailer wants a single product catalogue with sub-100ms writes from anywhere and strong consistency. Assess.

    2 min answer multi-regionconsistencylatencyphysics
  3. Multi-Region Architecture advanced

    A globally distributed application routes users to nearby regions but holds state that cannot safely be duplicated. Which components should be regional, which globally replicated, and which operations should stop during a regional outage?

    2 min answer flyiomulti-regionstatereplication
  4. Multi-Region Architecture advanced

    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.

    2 min answer multi-regionactive-activecrdthome-region
  5. Multi-Region Architecture advanced

    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.

    3 min answer multi-regionrobloxservice-discoverymigration
  6. Multi-Region Architecture advanced

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

    2 min answer multi-regionrtorporequirements