Portfolio ↗

Quiz

2948 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 areas2948 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking96 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture105 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization102 AI-Era Architecture106 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

5 questions in C4 Model.

  1. 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
  2. C4 Model intermediate Multiple choice

    A team is about to change the response shape of an internal service and needs to know who will break. They have a maintained context diagram, a container diagram and a component diagram for that service. Which artefact answers the question and why is it none of the three?

    2 min answer c4-modelconsumerscontractsdiagram-limits
  3. 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
  4. 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
  5. C4 Model intermediate Multiple choice

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

    2 min answer c4context-diagramaltitudemaintenance