Portfolio ↗

Quiz

2667 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 areas2667 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture86 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture88 Streaming & Real-Time Data93 Data Governance & Semantics81 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk88
Difficulty Any beginner intermediate advanced

30 questions in Cloud Architecture.

  1. Cloud Architecture intermediate

    A cost-sensitive education platform must serve large enrolment spikes and heavy video delivery on a tight budget. Which architectural choices give the largest cost reduction per unit of effort?

    2 min answer physics-wallahcostcdnegress
  2. Cloud Architecture intermediate

    A team tells you backups run nightly and are retained for 30 days. What is missing from that answer?

    2 min answer backupdisaster-recoveryverificationransomware
  3. Cloud Architecture intermediate Multiple choice

    A team wants to build a new internal API on serverless functions. It will serve steady traffic of about 200 requests per second during business hours. What do you advise?

    2 min answer serverlesscontainerscostdecision-making
  4. Cloud Databases intermediate Multiple choice

    A managed database performs a routine minor-version upgrade with a 40-second failover. The application returns errors throughout. Whose problem is this?

    2 min answer managed-servicesfailoverresilienceretries
  5. Cloud Databases intermediate

    A multi-product SaaS company runs its own database clusters on cloud instances and is considering moving to the provider's managed database service. What evidence should decide it?

    2 min answer managed-servicesdatabasesoperational-costatlassian
  6. Cloud Databases intermediate Multiple choice

    A serverless API works in testing and fails under load with connection errors. The database is at 5% CPU. Explain and fix.

    2 min answer serverlessconnectionsproxyscaling
  7. Disaster Recovery intermediate Multiple choice

    A grocery-delivery marketplace peaks for three hours on Sunday morning and keeps orders in a single-region managed Postgres with multi-zone failover. After a competitor's regional outage the board asks for a 15-minute recovery time and zero data loss against the loss of the whole region. Which posture should the team adopt?

    3 min answer cloud-disaster-recoveryrpo-rtowarm-standbyentity-homing
  8. Disaster Recovery intermediate

    An enterprise platform with strict availability commitments must define its disaster recovery strategy. How should RTO and RPO targets drive the choice between backup restore, warm standby, and active-active?

    2 min answer disaster-recoveryrtorpocost
  9. Cloud Governance intermediate

    A DR test fails: the secondary region cannot launch enough instances. What happened, and what standing checks prevent it?

    2 min answer quotasdrgovernance
  10. Cloud Governance intermediate

    A platform's cloud spend has grown faster than traffic for six consecutive quarters, with no single service responsible. What governance changes address this, and why do purely technical optimisations fail to hold?

    2 min answer cloud-governancefinopscost-attributionaccountability
  11. Load Balancing intermediate

    A live-learning platform expects a synchronised audience for a single scheduled class. How should video delivery, interactive features, enrolment and notifications be architected differently from each other?

    2 min answer unacademylive-videocdnfan-out
  12. Load Balancing intermediate Multiple choice

    A mobility platform must route API traffic, long-lived driver location streams and internal service calls. Which load-balancing layer suits each, and what breaks if one choice is applied uniformly?

    2 min answer load-balancinglayer4layer7websockets