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Difficulty: MediumCreate and Configure Virtual Machines

You plan to deploy an Azure virtual machine named VM1 in the East US region.

VM1 must meet the following requirements:
- Use an Ephemeral OS disk to minimize read/write latency and eliminate OS disk storage costs.
- Provide protection against datacenter-wide failures within the region.
- Be backed up daily using Azure Backup.

Which two settings or actions should you configure to meet the requirements? Select two.

  1. Configure the Availability options to use Availability Zones.Answer
  2. B
    Configure the Availability options to use an Availability Set.
  3. Select a virtual machine size that has a temporary disk or cache size larger than the OS image.Answer
  4. D
    Deploy a Recovery Services Vault in the West US region to back up VM1.

Answer

To meet the requirements, you must configure Availability Zones for high availability and select a VM size with a temporary disk or cache size larger than the OS image for the Ephemeral OS disk.
To satisfy the high availability requirement, the virtual machine must be placed in Availability Zones. This ensures protection against datacenter-wide outages. To support an Ephemeral OS disk, the virtual machine size must have a temporary disk or cache capacity that is equal to or larger than the size of the OS disk image.

Step-by-Step Solution

1
Evaluate the high availability requirement.
Determine that Availability Zones must be selected to protect against datacenter-wide failures, whereas Availability Sets only protect against localized hardware failures.
Availability Zones distribute VMs across physically separate datacenters within a region, providing redundancy against facility-level outages.
2
Evaluate the Ephemeral OS disk requirement.
Determine that a VM size with a cache or temporary disk size greater than the OS image is required.
Ephemeral OS disks are constructed on the local VM node's caching or temporary storage, so the VM size must support Premium storage and have sufficient local capacity.
3
Evaluate the backup requirement.
Identify that the Recovery Services Vault must reside in the same region (East US) as VM1.
Azure Backup does not support backing up virtual machines to a Recovery Services Vault located in a different geographical region.

Key Concept

Configuring Azure Virtual Machine settings for high availability, local storage requirements (Ephemeral OS disks), and regional alignment for backups.
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Topics

Create and Configure Virtual Machines

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