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Zorluk: ZorAzure Regions, Availability Zones, and Region Pairs

An organization is designing a multi-tier web application to be hosted in Azure. The architecture must achieve two main goals: protect against localized datacenter failures within the primary region (North Europe) and ensure a recovery path in the event of a catastrophic regional outage, while keeping all resources within the European Union. The resource group containing the deployment is located in North Europe.

Which two statements correctly describe how Azure's structural components should be implemented to satisfy these requirements?

  1. Deploying virtual machines across multiple Availability Zones in North Europe protects against localized power, cooling, or network failures at the datacenter level.Cevap
  2. Disaster recovery resources can be deployed to West Europe, the paired region of North Europe, even if the parent resource group is configured with a North Europe location.Cevap
  3. C
    The application's resource group location determines the regional boundaries of its resources, meaning all virtual machines must reside in North Europe.
  4. D
    To achieve high availability against local datacenter outages, data must be replicated to West Europe because Availability Zones are logical boundaries that do not offer physical isolation.

Cevap

Deploying virtual machines across multiple Availability Zones in the primary region provides localized protection, and disaster recovery resources can be deployed to the paired region regardless of the resource group's location.
Deploying virtual machines across multiple Availability Zones in the primary region provides localized protection, and disaster recovery resources can be deployed to the paired region regardless of the resource group's location. Availability Zones are physically separate datacenters within an Azure region, equipped with independent power, cooling, and networking. A resource group's location only dictates where its metadata is stored; resources inside it can be deployed to different regions, allowing the disaster recovery resources to reside in the paired region.

Adım Adım Çözüm

1
Evaluate the requirement for protection against localized datacenter failures.
Determine that Azure Availability Zones provide physical isolation (independent power, cooling, and networking) within a single region (North Europe) to protect against datacenter outages.
This confirms that deploying virtual machines across multiple Availability Zones is the correct approach for high availability within the primary region.
2
Evaluate the requirement for regional disaster recovery and resource group placement.
Identify that resource groups do not restrict resource locations, allowing secondary resources to be deployed to the paired region (West Europe) for disaster recovery.
This confirms that resources can reside in a different region than their containing resource group, enabling regional disaster recovery setup.

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Azure Regions, Availability Zones, and Region Pairs
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Azure Regions, Availability Zones, and Region Pairs

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