Domain 1 · 25-30% of Exam

Describe Cloud Concepts

Domain 1 covers the benefits and considerations of cloud services, including cloud models, shared responsibility, and cloud service types.

What You'll Be Tested On

  • Benefits of cloud computing: high availability, scalability, elasticity, agility, and disaster recovery
  • Cloud service models: IaaS, PaaS, and SaaS with use cases and responsibilities
  • Cloud deployment models: public cloud, private cloud, and hybrid cloud
  • Shared responsibility model between Microsoft and the customer
  • Consumption-based pricing model and CapEx vs OpEx

Key AWS Services in This Domain

Exam Tips for Domain 1

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Understand the difference between IaaS, PaaS, and SaaS and what responsibility falls on the customer for each.

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Know the benefits of cloud computing: elasticity, scalability, high availability, geo-distribution.

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The shared responsibility model is critical: know who manages what at each service level.

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CapEx is upfront spending; OpEx is pay-as-you-go cloud spending.

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