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Difficulty: MediumAzure Resources, Resource Groups, Subscriptions, and Management Groups

An administrator creates a resource group named RG-Finance in the West US region. The administrator needs to deploy a database resource that must physically reside in the East US region. Additionally, the administrator wants to create a nested resource group named RG-Data inside RG-Finance to isolate the database's access permissions.

Which of the following statements correctly describes the feasibility of this configuration?

  1. The configuration is not supported because resource groups cannot be nested, although Azure resources can reside in a different region than their containing resource group.Answer
  2. B
    The configuration is not supported because all resources inside a resource group must be deployed in the same region as the resource group, and nesting resource groups is not allowed.
  3. C
    The configuration is fully supported because resource groups can be nested up to nine levels deep, and resources can reside in any region regardless of the resource group's location.
  4. D
    The configuration is fully supported because resource groups can contain other resource groups as long as all resources are bound to the same Azure subscription.

Answer

The configuration is not supported because resource groups cannot be nested, although Azure resources can reside in a different region than their containing resource group.
The correct option is that the configuration is not supported because resource groups cannot be nested, although Azure resources can reside in a different region than their containing resource group. In Azure, resource groups are flat containers and cannot be nested within one another. However, resources do not inherit the region of their resource group; they can be deployed in different regions to meet compliance, residency, or latency needs.

Step-by-Step Solution

1
Evaluate the rule regarding resource group nesting in Azure.
Resource groups in Azure cannot be nested inside other resource groups. They exist as a flat list under an Azure subscription.
This determines that the attempt to create a nested resource group named RG-Data inside RG-Finance will fail.
2
Evaluate the rule regarding resource location and resource group location.
Azure resources can reside in a different region than the resource group that contains them.
The location of a resource group only specifies where its metadata is stored, not where the actual resources must be deployed.
3
Combine the evaluations to select the correct feasibility statement.
The plan is not supported because of the nesting attempt, but the regional mismatch between the resource group and the database is valid.
This matches the option stating nesting is not supported while location mismatch is supported.

Key Concept

Azure Resource Group organizational and regional boundaries
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Topics

Azure Resources, Resource Groups, Subscriptions, and Management Groups