Microsoft Azure Fundamentals AZ-900 Practice Question
You are a cloud engineer responsible for deploying a critical business application on Azure. The application requires high availability and must remain operational even if a datacenter within an Azure region fails. Which Azure feature should you utilize to meet these requirements?
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Deploy the application across multiple virtual machines within an Availability Set.
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Deploy all resources within a single Resource Group.
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Deploy the application across multiple Availability Zones within the same Azure region.
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Deploy the application across different regions using Azure Front Door.
Deploying the application across multiple Availability Zones within the same Azure region ensures that it remains operational even if a datacenter fails. Availability Zones are physically separate locations within an Azure region, each with independent power, cooling, and networking. This setup provides enhanced resilience and high availability by isolating the application from failures in a single datacenter.
Using an Availability Set protects against hardware failures within a datacenter but does not safeguard against datacenter-wide outages. Deploying across different regions with Azure Front Door offers global load balancing but may not be necessary if regional resilience suffices. Placing all resources in a single Resource Group does not provide any availability benefits.
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Microsoft Azure Fundamentals AZ-900
Azure Architecture and Services
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