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Quiz

2948 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 areas2948 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking96 API & Integration Architecture87 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

2948 questions.

  1. 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
  2. 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
  3. 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
  4. 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
  5. Orchestration vs Choreography advanced

    A multi-step business process spans several services. When should it be orchestrated by a coordinator and when choreographed through events, and how do you tell which one you already have?

    2 min answer orchestrationchoreographysagatemporal
  6. Orchestration vs Choreography advanced

    A workflow spans eight services using event choreography. Nobody can answer "where is order 41,229 stuck?". What do you change?

    2 min answer orchestrationchoreographyworkflowobservability
  7. Orchestration vs Choreography advanced

    A workflow spans several services. What is the practical rule for choosing orchestration or choreography, and what is the design tell?

    2 min answer orchestrationchoreographyobligationsnotifications
  8. Orchestration vs Choreography advanced

    An interviewer says - we run order fulfilment across six services with events and no coordinator. Last quarter about 0.4% of orders ended in a state nobody noticed for days. Do not tell me to add tracing. What structural change do you make, and who gets paged?

    3 min answer choreographyprocess managerownershipon-call
  9. Orchestration vs Choreography advanced

    An order flows through payment, restaurant acceptance, courier assignment and delivery. Should the coordination be orchestrated or choreographed?

    2 min answer swiggyorchestrationchoreographysaga
  10. Organisational Constraints advanced

    An architect proposes a design requiring three teams to coordinate on every release. The organisation will not restructure. What are the options?

    2 min answer organisational-constraintsconways-lawboundariescoordination
  11. Organisational Constraints intermediate

    Every change to a cross-team interface must be approved by an architecture forum that meets weekly with six 20-minute slots. About 14 requests arrive each week. Over the next two quarters, what happens to the queue and — more importantly — what happens to the designs themselves?

    3 min answer decision latencygovernancequeueingover-design
  12. Organisational Constraints intermediate

    In February 2020 SAP announced mainstream maintenance for the core applications of SAP Business Suite 7 through to the end of 2027, with optional extended maintenance at a premium to the end of 2030, alongside a maintenance commitment for SAP S/4HANA to 2040. A manufacturer running that stack has roughly 700 custom modifications to standard objects in its ERP core. What kind of architectural constraint is a vendor maintenance date, what should it change about the plan and where would copying the obvious response be a mistake?

    2 min answer saperpvendor-lifecyclemodernisation