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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 On-Call.

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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