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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

4 questions in Replatforming.

  1. Replatforming intermediate

    A marketplace replatforms a service from a self-managed database to a managed one. What benefits are real, what constraints appear, and what must be verified first?

    2 min answer replatformmanaged-servicesconstraintsmigration
  2. Replatforming advanced

    A media platform in the mould of Canva moves its self-managed Kafka cluster - 24 brokers, about 1800 partitions, 7-day retention, roughly 9 TB on disk - onto a managed streaming service, to free the two engineers who keep it running. What have they given up, and when does that bill arrive?

    3 min answer replatformmanaged serviceskafkaunit economics
  3. Replatforming intermediate

    A team replatforms a self-managed database onto a managed service in six weeks and the project lands on time. Eighteen months later they are running an unplanned major-version upgrade over a weekend because the provider's standard support for their engine version ends. What did the replatform actually trade away, and when does that bill arrive?

    3 min answer replatformmanaged servicesupgradesend of support
  4. Replatforming advanced

    You have twelve weeks and a large estate. Which replatforming changes do you make and why those?

    2 min answer replatformmanaged-servicesprioritisationoperational-burden