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Quiz

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 Rightsizing.

  1. 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
  2. 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
  3. Rightsizing intermediate

    A rightsizing proposal moves 180 steady services from 4-vCPU general-purpose instances to 2-vCPU burstable instances because average CPU is 9%, projecting a 55% saving. Several of those services run a two-hour nightly batch. Review the proposal - what would you change, what would you keep, and what would you leave alone?

    2 min answer rightsizingburstablecpu-creditsheadroom
  4. Rightsizing beginner Multiple choice

    A rightsizing review halves a database instance from 128 GB to 64 GB of RAM because the engine's resident set is only 40 GB and the memory dashboard shows 45% used. Reads were almost all served without touching disk before. What happens after the change?

    2 min answer rightsizingpage-cachememoryiops
  5. 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