Portfolio ↗

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

993 questions.

  1. Continuous Learning intermediate

    How do you decide what technology to learn deeply and what to know only superficially?

    2 min answer learningfundamentalsdepthobsolescence
  2. Continuous Learning intermediate

    In a fast-moving field, how should an architect decide what to learn deeply and what to learn shallowly?

    2 min answer learningdepthfundamentalsevaluation
  3. Continuous Learning intermediate

    Your fastest answer in design reviews keeps coming from a technology you have not deployed since 2021. What test separates a skill that has become a foundation from one that has become a liability, and what does keeping a skill current actually cost?

    3 min answer continuous-learningunlearningknowledge-debtjudgement
  4. Contract Testing intermediate

    A platform has many services and many external consumers. Integration tests are slow and flaky. What testing strategy actually gives confidence about compatibility?

    2 min answer hasuracontract-testingconsumer-drivenci
  5. Contract Testing intermediate Multiple choice

    Before deploying, how do you know whether removing a response field will break any consumer?

    2 min answer contract-testingconsumer-drivencispotify
  6. Contract Testing at Scale intermediate

    Three teams keep breaking each other's services with API changes. Someone proposes contract testing. How do you introduce it without a six-month programme?

    2 min answer contractstestingintegrationadoption
  7. Conway's Law intermediate

    Two teams own two deployables: a reader-facing API and a mobile backend-for-frontend that calls it. They are merged into one team of nine with one backlog and one standup. What happens to the interface between those two services over the next two quarters, and what would you do about it now?

    3 min answer conways-lawteam-topologiesservice-boundariesfitness-functions
  8. Core Web Vitals intermediate

    A commerce platform's field performance metrics are poor. Which improvements have the largest effect on conversion?

    2 min answer nykaaweb-vitalsfield-dataconversion
  9. Core Web Vitals intermediate

    A single-page application scores well in the lab and users on mid-range Android phones say it is unusable. Diagnose.

    2 min answer performancefrontendmeasurement
  10. Core Web Vitals intermediate

    Mobile conversion is 40% below desktop. Product blames the design; analytics shows users leaving before the page is usable. How do you investigate?

    2 min answer performancefrontendfield-dataconversion
  11. Core Web Vitals intermediate

    You want a 2.5 second largest contentful paint at the 75th percentile on mid-range Android over a typical mobile connection. Roughly how much JavaScript can you ship on the critical path, and which assumption dominates the error?

    3 min answer core-web-vitalsperformance-budgetjavascriptmobile
  12. Correlation IDs intermediate

    A logistics platform's request crosses synchronous services, message queues, scheduled batch jobs and third-party callbacks. Tracing works within services and breaks between them. What is missing?

    2 min answer delhiverycorrelationasynctracing