Learn AI ↗

Quiz

174 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 areas174 Architecture Fundamentals5 Distributed Systems26 Data Architecture23 Cloud Architecture19 Networking17 API & Integration Architecture13 Reliability & Resilience9 Observability8 Performance & Capacity Engineering6 Security Architecture16 Cost Architecture & FinOps3 Business Architecture2 Architecture Communication2 Enterprise Architecture1 Legacy Modernization2 AI-Era Architecture3 Software Architecture & Engineering3 Architecture Patterns6 Architecture Decision-Making9 The Architect's Meta-Skills1
Difficulty Any beginner intermediate advanced

14 questions in Data Architecture.

  1. Replication advanced

    Users report seeing stale data intermittently. Replication lag is normally under a second but spikes to minutes twice a day. How do you handle it?

    2 min answer replicationlagroutingconsistency
  2. Streaming Data advanced

    A streaming aggregation reports lower totals than the batch job it replaced. Both read the same source. What is likely happening?

    2 min answer streamingwatermarkslate-dataevent-time