Microsoft Certified: Azure Fundamentals (AZ-900) Practice Exam 2026 - Free AZ-900 Practice Questions and Study Guide

The correct choice highlights the use of Azure Policies as a crucial tool for enforcing standards within Azure environments. Azure Policies allow administrators to define rules and conditions that resources must adhere to, ensuring compliance and governance across subscriptions and resource groups. By applying these policies, organizations can enforce specific rules, such as allowed virtual machine sizes, locations for resource deployment, and configurations that must be used, hence upholding organizational standards.

While resource groups and tags also play important roles in managing resources in Azure, they do not enforce standards in the same way Azure Policies do. Resource groups are primarily organizational units that help you manage and group related resources, but they do not inherently impose policies or standards. Tags are metadata that help categorize resources for management and cost analysis, but they do not enforce compliance or standards on their own.

In summary, Azure Policies serve a distinct purpose by actively enforcing rules and standards across Azure resources, which makes it the best choice in this context.