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Quiz

2667 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 areas2667 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 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

88 questions in Reliability & Resilience.

  1. Graceful Degradation intermediate

    What distinguishes a real graceful-degradation capability from an aspiration, and how do you design and validate a degradation ladder?

    3 min answer degradationkill-switchfallbackresilience
  2. Graceful Degradation intermediate

    What happens to your marketplace if the payment provider is unavailable for two hours during peak?

    2 min answer marketplacedependencydegradationbusiness
  3. Incident Management advanced

    A 43-second network blip triggers automated database failover across regions. Service is degraded for over 24 hours. Analyse.

    2 min answer githubsplit-brainfailoverreconciliation
  4. Incident Management advanced

    A configuration change disconnects a company's internal network. Engineers cannot access the tooling needed to revert it. Analyse.

    2 min answer metacircular-dependencyrecoveryout-of-band
  5. Incident Management intermediate

    A payment platform is mid-incident: transactions are partially failing, the cause is unclear, and several teams are investigating. What structure makes the response effective?

    2 min answer razorpayincident-commandrolescommunication
  6. Incident Management advanced

    A post-mortem finds the telemetry system depended on the same infrastructure that failed, leaving engineers blind. What must be isolated, and what is the minimum set of break-glass signals?

    3 min answer observabilityblast-radiusbreak-glassincident
  7. Incident Management intermediate Multiple choice

    An incident is underway and everyone is debugging. What role is missing?

    1 min answer incident-managementrolescoordinationcommunication
  8. Incident Management intermediate

    An observability platform's incident process treats all incidents with the same severity and process. What problems does this create, and how should severity be defined?

    2 min answer incident-managementseverityescalationdatadog
  9. Incident Management advanced

    Incidents at your company are chaotic: unclear ownership, no communication, and postmortems that produce nothing. Design the improvement.

    2 min answer incidentrolesseveritypostmortem
  10. Incident Management intermediate

    You are incident commander. Error rate is 8% and rising, cause unknown. What do you do in the first ten minutes?

    2 min answer incidentcommandmitigationcommunication
  11. 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
  12. 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