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Zorluk: KolayConfigure VMs for High Availability

ZeniSphere Logistics is planning to deploy two new virtual machines, VM-Ship1 and VM-Ship2, in the East US region. The deployment must protect the application from localized hardware failures on a single physical host, such as disk or power supply failures, by ensuring the VMs are placed on different physical hardware racks within the same datacenter. Which Azure feature should you configure for the virtual machines?

  1. A
    An App Service Plan set to the Basic pricing tier
  2. B
    A Virtual Machine Scale Set configured with an autoscale rule
  3. An Availability SetCevap
  4. D
    An Availability Zone

Cevap

An Availability Set
The correct answer is configuring an Availability Set. An Availability Set is a logical grouping capability in Azure that ensures the VMs placed in it are isolated from each other across physical hardware racks, power sources, and network switches within a single datacenter. This protects the VMs from host-level hardware failures.

Adım Adım Çözüm

1
Analyze the high availability scope specified in the scenario.
The requirement is to protect against physical host hardware failures (like disk or power) within the same datacenter.
Understanding the failure domain boundary helps determine if local or regional redundancy is appropriate.
2
Evaluate Azure features that provide VM redundancy within a single datacenter.
Availability Sets distribute VMs across different physical hardware racks (fault domains) inside one datacenter.
This matches the requirement to prevent simultaneous failures of both VMs due to single-host or single-rack issues.

Anahtar Kavram

Availability Sets protect VMs against localized hardware failures by distributing them across separate physical racks (fault domains) and power/network lines within a single Azure datacenter.
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Configure VMs for High Availability

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