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RAN-AZ900-00119
Ranvier · AZ900

Exam AZ900 Topics: architecture Difficulty: medium

A regional bank runs a multi-tier application on several virtual machines in a region that does not support availability zones. Operations wants to ensure that planned maintenance never restarts all of the tier's virtual machines at the same time, and that a single rack power or network failure cannot affect every machine. The deployment must stay as it is: a small group of differently configured virtual machines that admins manage individually, with no automatic scaling. What should the team use?

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  1. A. An availability zone, so each virtual machine runs in a physically separate location within the region
  2. B. An availability set, which spreads the virtual machines across fault domains and update domains
  3. C. A Virtual Machine Scale Set, which replaces the tier with instances that grow and shrink automatically
  4. D. Azure Virtual Desktop, which centralizes the tier's virtual machines in a managed cloud environment
Reveal answer

Correct answer: An availability set, which spreads the virtual machines across fault domains and update domains

Reference: https://learn.microsoft.com/en-us/azure/virtual-machines/availability-set-overview

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Official Answer (B): An availability set, which spreads the virtual machines across fault domains and update domains

Ranvier · AZ900

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