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Quiz

2868 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 areas2868 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 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 Experience92 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

2868 questions.

  1. Ingestion Patterns advanced

    A data-ingestion platform runs hundreds of connectors, each with different APIs, rate limits, failure modes and schemas. How should isolation, retries, scheduling, checkpointing, backfills and schema evolution be designed?

    2 min answer airbytefivetranconnectorsisolation
  2. Ingestion Patterns advanced

    A platform ingests high-volume telemetry from many sources. Which ingestion pattern properties matter most?

    2 min answer ingestionbackpressureidempotencyschema
  3. Ingestion Patterns intermediate

    A platform team proposes one ingestion standard: every source publishes to Kafka and the warehouse loads only from Kafka. That includes 40 SaaS connectors that pull once a day. The argument is one path, one set of tools, and replayability everywhere. Review it — what would you remove, what would you keep and what would you leave alone?

    3 min answer ingestionkafkauniformityoperability
  4. Ingestion Patterns intermediate

    An analytics team extracts daily using a `modified_at` watermark. Reconciliation shows the warehouse has 3% more customers than the source. Why?

    2 min answer cdcingestiondata-quality
  5. Inner Loop & Outer Loop intermediate

    Developers cannot run the system locally — one service needs twelve dependencies. The inner loop is now "push and wait eight minutes". How do you fix it?

    2 min answer developer-experiencetestingarchitecture
  6. Inner Loop & Outer Loop intermediate

    Engineers report that the platform is fine but daily development is slow. Where should a platform team invest?

    2 min answer swiggyinner-loopdeveloper-experiencefeedback
  7. Inner Loop & Outer Loop intermediate Multiple choice

    Sixty engineers each wait for a build roughly 15 times a day. The build takes 4 minutes. Roughly what does that cost a year, and what does the number rule in or out?

    2 min answer developer experiencebuild timeestimationcost
  8. Inner Loop & Outer Loop beginner Multiple choice

    Two teams own the same test suite. Team A can run the relevant tests locally in 40 seconds. Team B's only way to run them is a 9-minute pipeline. Team B's pull requests are about four times larger and when a test fails they take far longer to work out which change caused it. What is the mechanism connecting feedback time to those two outcomes and which change helps most?

    3 min answer inner loopfeedbackbatch sizetesting
  9. Inner Loop & Outer Loop intermediate

    What distinguishes the inner loop from the outer loop, and where should a platform invest?

    2 min answer inner-loopfeedbackdeveloper-experienceinvestment
  10. InnerSource intermediate

    An organisation adopts an innersource model so teams can contribute to each other's services. It mostly does not happen. What conditions does innersource require?

    2 min answer innersourcecontributionownershipincentives
  11. InnerSource intermediate

    An organisation has published an innersource contribution guide, opened every internal repository, and added a company goal for cross-team contributions. Six months in there have been eleven contributions across 200 repositories. Review the programme.

    3 min answer innersourceincentivesplatform-teamsmaintainer-capacity
  12. InnerSource intermediate

    An organisation wants shared internal libraries and services to be improvable by any team. What conditions make innersource work, and when does it fail?

    2 min answer innersourceownershipcontributionplatform