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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

2741 questions.

  1. Business Understanding intermediate

    Why does an architect need to understand the business model, and what specifically changes in the design if they do?

    2 min answer physics-wallahbusiness-modelunit-economicsconstraints
  2. Business Understanding intermediate

    Why does business understanding change an architect's technical decisions, not just their communication?

    2 min answer business-understandingprioritiesconstraintsdecisions
  3. C4 Model intermediate

    A team adopts a layered diagram model and produces every level for every part of the system. What has gone wrong, and how should the model be used?

    2 min answer c4diagramsgranularitymaintenance
  4. C4 Model intermediate

    A team produces detailed component diagrams for every service and they are all stale within a sprint. Which diagram levels are worth maintaining by hand?

    2 min answer postmanc4diagramsmaintenance
  5. C4 Model advanced Multiple choice

    An 80-engineer platform group keeps 60 hand-drawn architecture diagrams in a drawing tool and wants a single text model in version control that renders context and container views. Delivery cannot pause for this. Which first step is both useful and reversible?

    3 min answer c4diagrams-as-codemigrationreversibility
  6. C4 Model intermediate Multiple choice

    If you could maintain only one architecture diagram, which would it be and why?

    2 min answer c4context-diagramaltitudemaintenance
  7. Cache Invalidation intermediate

    A product catalogue is cached with a 10-minute TTL. Merchandisers complain that price changes take 10 minutes to appear. What do you propose?

    2 min answer cachinginvalidationdesign
  8. Cache Invalidation advanced

    A retail platform's cache layer becomes unavailable during a high-traffic sale and all traffic lands on the primary database. What design prevents a cache outage from becoming a database outage?

    2 min answer nykaacache-failurestampedecoalescing
  9. Cache Invalidation advanced

    An edge platform can invalidate cached content either by short TTLs or by explicit purge on publish. Compare the two, and explain when a hybrid is required.

    2 min answer cache-invalidationpurgettledge
  10. Caching for Performance intermediate

    A read-heavy content platform must scale. In what order should caching, replicas, denormalisation, CDN and query optimisation be applied, and what determines the order?

    2 min answer pratilipiread-heavycachingcdn
  11. Caching for Performance advanced

    A search platform adds a cache and sees only a small latency improvement. What are the likely reasons, and what should be measured?

    2 min answer cachinghit-rateworking-setzipf
  12. Caching for Performance intermediate

    A service adds an in-process cache in front of its shared Redis tier to remove a 1 ms round trip. What has the team given up, and at what scale does that bill arrive?

    3 min answer caching-performancenear-cachestalenessinvalidation