AZ-900 Describe cloud concepts

Which Azure offering should you use to explain high availability concepts?

Multiple choice — select one answer

Answer choices

  1. a. Scale resources up or down on demand
  2. b. Availability sets and zones
  3. c. Pay-as-you-go model
  4. d. Microsoft secures the cloud; customers secure workloads

Architectural breakdown & explanation

Zones isolate failure domains within a region.

Correct answer(s): b. Availability sets and zones

Exam domain: Describe cloud concepts (25% weight on the official guide).

Official documentation & study links

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