An administrator is planning the deployment of two Azure virtual machines named VM-Web1 and VM-Web2 in the North Europe region. To meet high availability requirements, the administrator decides to deploy both virtual machines in a single Availability Set. Which of the following statements describe the features or configuration requirements of Azure Availability Sets? (Select two.)
- Virtual machines are automatically distributed across multiple physical fault domains to protect against localized hardware failures.Answer
- BVirtual machines are distributed across physically separate datacenter facilities with independent power, cooling, and networking within the region.
- Virtual machines are automatically distributed across multiple update domains to prevent simultaneous downtime during scheduled Azure platform updates.Answer
- DVirtual machines can be added to or removed from the Availability Set after the VMs are created and running.
Answer
The correct options are that virtual machines in an Availability Set are automatically distributed across physical fault domains to protect against hardware failures, and distributed across update domains to prevent simultaneous downtime during updates.
Availability Sets provide redundancy within a single datacenter. The option describing distribution across fault domains is correct because fault domains represent physical hardware racks that isolate hardware failures. The option describing distribution across update domains is correct because update domains ensure that only a portion of the VMs are rebooted at any given time during Azure host maintenance.
Step-by-Step Solution
Key Concept
Azure Availability Sets provide redundancy within a single datacenter by distributing VMs across separate fault domains (racks) and update domains (logical groups for updates).
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