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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

5 questions in Operating Models.

  1. Operating Models advanced

    A 900-person engineering organisation funds work as 9-month projects. A project receives a budget and a team drawn from a resourcing pool; both dissolve at go-live. Run costs land on a central operations group of 30 people who support about 140 services. The CTO wants durable product teams that own their services in production. Sequence this change over four quarters without stopping delivery.

    3 min answer operating-modelfunding-modelownershipyou-build-it-you-run-it
  2. Operating Models advanced

    A logistics marketplace expanding city by city must decide what is centralised and what is local. How should that be structured?

    2 min answer porterexpansioncentralisationconfiguration
  3. Operating Models advanced

    A super-app spans messaging, payments, mini-programs and social features. What operating model supports it, and what does the architecture require in return?

    2 min answer operating-modelautonomyplatformgovernance
  4. Operating Models advanced

    An organisation centralises all schema changes through one data team of four, serving fourteen product teams. The arrangement is defended as efficient. What is gained, what is paid, and when does the bill arrive?

    2 min answer centralisationqueueinglead timebottleneck
  5. Operating Models advanced

    An organisation with functional teams — development, QA, operations, database — wants to adopt microservices. What do you tell them?

    2 min answer conways-lawoperating-modeldistributed-monolithteams