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Quiz

2741 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 areas2741 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience99 Observability92 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture102 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

1018 questions.

  1. Private Connectivity intermediate

    A regulated client requires that no traffic between their data centre and your SaaS platform traverses the public internet. Design the connectivity and justify the cost.

    2 min answer private-linkdirect-connectvpnhybrid
  2. Private Connectivity intermediate Multiple choice

    An enterprise needs its cloud workloads to reach on-premises databases with predictable latency and without traversing the public internet. What are the options and what do they actually guarantee?

    2 min answer private-connectivitydirect-connectvpnhybrid
  3. Product Thinking intermediate

    A workspace product's engineers propose an architecture optimised for flexibility, letting users model anything. What product-thinking questions should shape the decision?

    2 min answer product-thinkingflexibilityconstraintsusers
  4. Product Thinking intermediate Multiple choice

    How would you know whether an internal platform is succeeding?

    2 min answer platformadoptionproduct-thinkingoutcomes
  5. Profiling & Optimisation intermediate Multiple choice

    A colleague spent a week optimising a function and the endpoint is 2% faster. What went wrong in the approach?

    2 min answer optimisationamdahlprofilingmethod
  6. Profiling & Optimisation intermediate

    A team has profiled a service and found the top three functions by CPU time. Why is optimising them often the wrong next step?

    2 min answer profilingoptimisationamdahlmeasurement
  7. Progressive Delivery intermediate

    Your codebase has 340 feature flags. Nobody knows which are live. A recent incident was caused by an untested flag combination. How do you get out of this?

    2 min answer feature-flagstechnical-debtcomplexity
  8. Prompt & Version Management intermediate

    A platform's prompts are embedded in application code and changed frequently. What problems arise, and how should prompts be managed?

    2 min answer prompt-managementversioningevaluationreproducibility
  9. Prompt & Version Management intermediate

    An engineer wants to change the system prompt of a live customer-facing assistant at 16:00 on a Friday. Tell me what has to already be true for that to be a routine change and what you would ask before approving it.

    3 min answer prompt-managementrelease-engineeringrollbackevaluation
  10. Prompt & Version Management intermediate

    Answer quality degraded overnight. No code was deployed. What are the candidate causes?

    2 min answer llmchange-managementobservability
  11. Pseudonymisation intermediate Multiple choice

    A product analytics team needs per-user aggregation over two years of events without holding data that re-identifies people if the warehouse leaks. Which approach actually delivers that?

    2 min answer pseudonymisationtokenisationhashingkey-custody
  12. Publish/Subscribe intermediate

    A team must choose between publish-subscribe and a work queue for a new integration. What distinguishes them, and which failure mode does each have?

    2 min answer confluentpubsubqueuefanout