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Quiz

2627 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 areas2627 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture77 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture85 Cost Architecture & FinOps82 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization82 AI-Era Architecture86 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 Architecture88 Streaming & Real-Time Data93 Data Governance & Semantics81 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk88
Difficulty Any beginner intermediate advanced

40 questions in Cost & FinOps.

  1. Cost per Request intermediate Multiple choice

    A marketplace's infrastructure spend rises with growth. How should it distinguish healthy growth from deteriorating efficiency?

    2 min answer meeshounit-economicscostefficiency
  2. Cost per Request intermediate Multiple choice

    Your infrastructure bill rose 40% this quarter. What do you need to know before deciding whether that is a problem?

    2 min answer unit-economicscostefficiencymetrics
  3. Network & Egress Costs intermediate

    A social platform discovers that data egress is its largest single cost line. Which architectural changes reduce it most, and which are ineffective?

    2 min answer sharechategresscdncache-hit
  4. Network & Egress Costs intermediate

    Data egress and cross-zone transfer charges are shaping an architecture's cost. What design decisions actually reduce them, and what is commonly done that does not help?

    2 min answer egresscross-zonecdndata-gravity
  5. FinOps Practice intermediate

    What distinguishes a FinOps practice that works from one that produces reports nobody acts on?

    2 min answer finopspracticeownershipculture
  6. 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
  7. 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
  8. Reserved & Committed Capacity intermediate

    A compute platform must choose between reserved commitments, on-demand and interruptible capacity. How should the mix be decided?

    2 min answer runpodreservedcommitmentforecast
  9. Reserved & Committed Capacity intermediate

    Finance wants a three-year commitment on cloud spend for the discount. Engineering is nervous. How do you advise?

    2 min answer finopscommitmentcostrisk
  10. Rightsizing intermediate

    A platform team cuts CPU and memory requests across 900 Kubernetes deployments. Average pod requests drop 40%, the rightsizing dashboard shows the win, and three weeks later the monthly node bill is unchanged. Where did the saving go?

    2 min answer kubernetesbin-packingrightsizingautoscaler
  11. Rightsizing intermediate

    A platform's rightsizing programme reduces instance sizes based on average utilisation, and incidents follow. What was wrong with the method?

    2 min answer rightsizingheadroompercentilescapacity
  12. Rightsizing intermediate

    An automated tool recommends reducing your instances by 60% based on average CPU utilisation. What do you check before accepting?

    2 min answer rightsizingheadroomfailure-domainsutilisation