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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

5 questions in Licence & Vendor Costs.

  1. Licence & Vendor Costs advanced Multiple choice

    A data tooling vendor licences its product per environment plus per named seat. The platform team is about to give every pull request an ephemeral preview environment containing the full stack. Which change keeps the licence bill flat without abandoning preview environments?

    2 min answer licensingpreview-environmentsnon-productioncost-governance
  2. Licence & Vendor Costs intermediate Multiple choice

    A design-collaboration SaaS at Canva's scale licenses stock photography and fonts on a per-use royalty. Exports have grown fivefold in 2026 while royalty reporting is still derived from the asset CDN's request logs, and the vendor's audit says the reported numbers no longer match usage. Which change fixes reporting without changing what users can do?

    3 min answer licensingmeteringroyaltiescdn
  3. Licence & Vendor Costs advanced

    A per-core database licence makes horizontal scaling more expensive than vertical. How does that change your design, and would you challenge it?

    2 min answer licensingconstraintsscalingprocurement
  4. Licence & Vendor Costs advanced

    A team's licence and managed-service costs are growing faster than its infrastructure. How should it decide what to bring in-house?

    2 min answer elasticlicensingbuild-vs-buytco
  5. Licence & Vendor Costs intermediate

    An enterprise's database licensing is tied to processor cores, and a virtualisation change unexpectedly multiplies the licence cost. How should licensing influence architecture?

    2 min answer licensingcostenterprisevirtualisation