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2908 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 areas2908 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture95 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization92 AI-Era Architecture96 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

4 questions in Deployment Strategies.

  1. Deployment Strategies advanced

    A deployment reaches seven of eight servers. The eighth runs old code that a reused flag activates. Losses accumulate for 45 minutes. What are the findings?

    2 min answer knight-capitaldeploymentflagsverification
  2. Deployment Strategies advanced Multiple choice

    A food-delivery platform in the mould of Zomato rolls out a pricing change in nine steps over 90 minutes with a 10-minute bake between steps. Error rate, latency and saturation stay flat the whole time. The defect is a wrong rounding rule that under-charges some orders, and it surfaces the next morning when finance reconciliation runs. Which change makes this class of rollout safe?

    3 min answer zomatoprogressive-deliveryinvariantsbake-time
  3. Deployment Strategies advanced

    A platform must deploy a service holding millions of long-lived connections. Which deployment strategy applies, and what capability makes it work?

    1 min answer deploymentstatefuldrainingresumption
  4. Deployment Strategies advanced

    Your organisation releases every two weeks on a train. Teams complain about lead time. Is the train the problem?

    2 min answer releasecouplingflow