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Zorluk: KolayAzure Regions, Availability Zones, and Region Pairs

A company is migrating its primary web application to Azure and needs to ensure that the application remains available even if a complete Azure region experiences an outage. Deploying the application instances across multiple Availability Zones within the same Azure region will protect the application from this type of outage.

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The statement is false. Deploying applications across multiple Availability Zones within the same region does not protect against a complete region outage, as all zones are located within that single region.
The correct answer is false. Availability Zones are designed to protect against local datacenter failures within a single region by providing independent power, cooling, and networking. They do not protect against an outage that impacts the entire region. To mitigate the risk of a regional outage, resources must be deployed across multiple Azure regions.

Adım Adım Çözüm

1
Analyze the customer's requirement.
The customer needs protection against a complete Azure region outage.
This establishes the scope of protection required (disaster recovery at the regional level).
2
Examine the scope of Azure Availability Zones.
Availability Zones are isolated locations within a single Azure region.
To determine whether they can provide protection beyond the boundary of a single region.
3
Evaluate the proposed solution against the requirement.
Since all Availability Zones of a region are located within that same region, an outage affecting the entire region will impact all its zones. Therefore, the statement is false.
To arrive at the final evaluation.

Anahtar Kavram

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

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