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Quiz

275 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 areas275 Architecture Fundamentals9 Distributed Systems26 Data Architecture23 Cloud Architecture19 Networking17 API & Integration Architecture13 Reliability & Resilience9 Observability8 Performance & Capacity Engineering6 Security Architecture16 Cost Architecture & FinOps6 Business Architecture7 Architecture Communication6 Enterprise Architecture6 Legacy Modernization7 AI-Era Architecture6 Software Architecture & Engineering6 Architecture Patterns6 Architecture Decision-Making12 The Architect's Meta-Skills6 Delivery & Release Engineering6 Platform Engineering & Developer Experience6 Testing & Quality Architecture6 Data Platform Architecture6 Streaming & Real-Time Data6 Data Governance & Semantics6 Frontend & Experience Architecture6 Edge, Mobile & IoT6 Regulatory & Data Protection Architecture6 Assurance, Audit & Model Risk7
Difficulty Any beginner intermediate advanced

6 questions in Edge, Mobile & IoT.

  1. Device Identity advanced

    You inherit an IoT fleet of 80,000 devices whose client certificates all expire in fourteen months. What do you do?

    2 min answer iotcertificatesrotationrisk
  2. Edge Compute Topologies advanced

    A team proposes moving an API to edge functions to reduce latency for international users. What do you check before agreeing?

    2 min answer edgelatencyarchitecturedata
  3. IoT Ingest Architecture advanced

    After a five-minute network outage at your ingest tier, 200,000 devices reconnect simultaneously and the authentication service collapses. How do you fix this?

    2 min answer iotthundering-herdresiliencescale
  4. Offline-First advanced

    You are designing a field-service application for engineers who work in basements and rural sites with no reliable connectivity. What is the architecture, and what are the decisions that will bite later?

    3 min answer offlinemobilesyncconflict-resolution
  5. OTA Updates advanced

    An OTA firmware update has bricked 3% of a 50,000-device fleet. What do you do, and what should have prevented it?

    1 min answer iototaincidentrollout
  6. Sync & Conflict Resolution advanced

    A field application has been live for three months and support reports that engineers occasionally lose completed job reports. What do you investigate?

    2 min answer offlinesyncconflictincident