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Difficulty: EasyConfigure VMs for High Availability

Apex Retail plans to deploy two new virtual machines named VM-App1 and VM-App2 in the Germany West Central region. The deployment must protect the application from datacenter-wide outages by utilizing Availability Zones. Which of the following actions should you perform to meet this requirement? Select two.

  1. Specify different Availability Zones for each virtual machine during their initial creation.Answer
  2. Deploy the virtual machines using Standard SKU public IP addresses.Answer
  3. C
    Configure the virtual machines within an Availability Set to distribute them across physical datacenters.
  4. D
    Create the virtual machines first, and then associate them with an Availability Zone after deployment.

Answer

Specify different Availability Zones for each virtual machine during their initial creation, and deploy the virtual machines using Standard SKU public IP addresses.
To ensure protection against datacenter-wide outages, virtual machines must be placed in different Availability Zones at the time of their creation. Additionally, only Standard SKU network resources (such as public IP addresses and load balancers) are compatible with Availability Zones, meaning Basic SKU options cannot be used.

Step-by-Step Solution

1
Identify the high availability requirement.
Protection against datacenter-wide outages is required, which necessitates the use of Availability Zones rather than Availability Sets.
Availability Zones distribute VMs across physically separate datacenters within an Azure region, whereas Availability Sets only distribute them within a single datacenter.
2
Determine the VM creation constraint.
VMs must be assigned to different zones (e.g., Zone 1 and Zone 2) during their initial deployment.
Azure does not support moving an existing VM into an Availability Zone after it has been created.
3
Determine the IP address SKU requirement.
Select Standard SKU public IP addresses for the virtual machines.
Only Standard SKU networking resources support zone redundancy and zone alignment; Basic SKU resources do not support Availability Zones.

Key Concept

Configuring Virtual Machines for High Availability using Availability Zones
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Topics

Configure VMs for High Availability

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