1-Describe Cloud Concepts (15-20%).md

AZ-900: Describe Cloud Concepts (15-20%)

Describe the benefits and considerations of using cloud services

• Describe terms such as:
  • High Availability
  • Scalability
  • Elasticity
  • Agility
  • Fault Tolerance
  • Disaster Recovery
• Describe the Principles of Economies of Scale (PDF)
• Describe the differences between:
  • Capital Expenditure (CapEx)
  • Operational Expenditure (OpEx)
• Describe the consumption-based model

Describe the differences between Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS)

• Describe Platform-as-a-Service (PaaS)
• Describe Software-as-a-Service (SaaS)
• Describe Infrastructure-as-a-Service (IaaS)
• Compare and contrast the 3 different service types

Describe the differences between Public, Private and Hybrid cloud models

• Describe Public cloud
• Describe Private cloud
• Describe Hybrid cloud
• Compare and contrast the 3 different cloud models

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