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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. Observability Cost advanced

    Your observability bill is 25% of infrastructure spend. How do you reduce it without losing the ability to diagnose incidents?

    2 min answer observabilitycostcardinalitysampling
  2. Offline-First advanced

    A courier application must work where connectivity is intermittent. What must be designed rather than assumed?

    2 min answer swiggyofflinesyncreconciliation
  3. Offline-First advanced

    A field application must work fully offline for hours and sync when connectivity returns. How should conflicts, permission changes and schema migrations on the device be handled?

    3 min answer offline-firstsyncconflictspermissions
  4. Offline-First advanced

    A field service app must work offline. Engineers book parts from a shared inventory. What is the design problem?

    2 min answer offlineconsistencydomain
  5. Offline-First advanced

    Delivery couriers work in areas with intermittent connectivity and must complete jobs regardless. What does offline-first require beyond local caching?

    2 min answer offline-firstsyncqueueconflict
  6. Offline-First advanced

    You are designing a field-service application for engineers who work in basements and rural sites with no reliable connectivity. What is the architecture, and what are the decisions that will bite later?

    3 min answer offlinemobilesyncconflict-resolution
  7. On-Call advanced

    "Design the on-call rotation for a team of six running four services." That is the prompt. How do you handle it?

    4 min answer oncallrotationalert fatiguesustainability
  8. On-Call intermediate

    A 24-person platform group in one country pages its engineers at night. Leadership offers to fund a second site in another time zone so nobody is woken. What does follow-the-sun buy, what does it cost, and what would you check before agreeing?

    3 min answer on-callfollow the sunhandoversustainability
  9. On-Call intermediate

    A platform's on-call rotation is causing burnout - engineers are paged frequently at night and turnover is rising. What should be measured and changed?

    2 min answer oncallalert-qualitysustainabilitytoil
  10. On-Call intermediate

    A team is paged eleven times a week and morale is poor. What do you do first?

    3 min answer oncallalert-fatiguesustainabilityarchitecture
  11. On-Call intermediate

    An on-call rotation is producing burnout and slow responses. Alert volume is high and most pages are not actionable. What changes, and in what order?

    2 min answer sliceoncallalertingactionability
  12. On-Call intermediate

    You join a team of 12 engineers taking around 40 pages a week, of which perhaps 5 required action. The team is exhausted and two people have resigned. The director asks for a plan. What do you do, and in what order?

    3 min answer on-callalert fatiguetoilsustainability