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AZ-900 Describe cloud concepts

A company needs to explain high availability concepts. Which option meets the requirement with the LEAST implementation effort?

Multiple choice — select one answer

Answer choices

  1. a. Public cloud shared tenancy with isolation controls
  2. b. Pay-as-you-go model
  3. c. Microsoft secures the cloud; customers secure workloads
  4. d. Availability sets and zones

Architectural breakdown & explanation

Zones isolate failure domains within a region.

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

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

Official documentation & study links

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