Portfolio ↗

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

34 questions in Reliability & Resilience.

  1. Graceful Degradation intermediate

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

    2 min answer marketplacedependencydegradationbusiness
  2. 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
  3. Incident Management intermediate Multiple choice

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

    1 min answer incident-managementrolescoordinationcommunication
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. Postmortems intermediate

    A platform publishes detailed public postmortems for significant incidents. What does this practice cost, and what does it buy that internal postmortems do not?

    2 min answer postmortemstransparencylearningtrust
  12. Postmortems intermediate

    An engineer ran a command that deleted production data. What does the postmortem investigate?

    2 min answer postmortemblamelesssystemicgoogle