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2707 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 areas2707 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 Architecture96 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 Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

4 questions in Business Continuity.

  1. Business Continuity intermediate

    A business continuity manager asks for your disaster recovery plan. You give them the RTO/RPO matrix and they say it is not what they need. What is missing?

    1 min answer business-continuityresiliencebusiness-architecture
  2. Business Continuity intermediate

    A communication platform is business-critical for its customers' own operations. What does business continuity require beyond technical disaster recovery?

    2 min answer business-continuitydependenciescommunicationpeople
  3. Business Continuity intermediate

    A distributed commerce and logistics operation depends on physical infrastructure across many locations. How does business continuity planning differ from IT disaster recovery?

    2 min answer elasticruncontinuityphysicaldegraded-operations
  4. Business Continuity intermediate Multiple choice

    A marketplace's payment provider is not down. Authorisation p99 rises from 400 ms to 25 s and 12% of authorisations time out. The continuity plan states an RTO of 30 minutes and documents a failover to a second provider that takes 20 minutes and requires a named executive's decision. What actually happens in the first hour?

    3 min answer business-continuitydegraded-modepaymentsdeclaration-criteria