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2988 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 areas2988 Architecture Fundamentals91 Distributed Systems111 Data Architecture100 Cloud Architecture97 Networking96 API & Integration Architecture97 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

4 questions in Integration Patterns.

  1. Integration Patterns advanced

    A financial-data aggregator normalises hundreds of external bank APIs behind one interface. Where should the abstraction stop, and what happens when a provider does not fit?

    2 min answer plaidanti-corruption-layernormalisationintegration
  2. Integration Patterns intermediate

    A reporting API offers an export endpoint. For most customers it returns in eight seconds. For the largest it must process about 40 million rows, takes six to nine minutes, and the load balancer kills the connection at 60 seconds. Clients retry, which starts the export again. Design the endpoint.

    3 min answer async-request-replyhttp-202long-running-operationsidempotency
  3. Integration Patterns advanced

    A travel platform aggregates supply from hundreds of partners with wildly different protocols, latencies and reliability. Which integration patterns apply, and what is the most common structural mistake?

    2 min answer integration-patternsadaptersaggregationanti-corruption-layer
  4. Integration Patterns advanced

    Review this integration layer. An enterprise platform of SAP's shape defines a canonical Customer with 140 fields. Sixty source systems map into it and forty consumers read from it. Onboarding a new partner takes six weeks, most of it mapping. What would you remove, what would you change, and what would you keep?

    3 min answer sapcanonical data modelintegrationcoupling