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Difficulty: EasyAzure Regions, Availability Zones, and Region Pairs

A cloud administrator is reviewing the following architectural statements about Microsoft Azure infrastructure:

NumberStatement
1Azure Availability Zones are physically separate datacenters within a single Azure region.
2All Azure regions support Availability Zones to ensure redundancy.
3Azure region pairs are located within the same geography to meet data residency requirements.

Is Statement 2 true or false?

Answer: Answer

Answer

False
Not all Azure regions support Availability Zones. Therefore, the statement asserting that all regions support them is false.

Step-by-Step Solution

1
Analyze Statement 2, which asserts that all Azure regions support Availability Zones.
Determine if there are any exceptions or limitations to Availability Zone support across Azure's global infrastructure.
Knowing whether Availability Zones are universally available is key to evaluating the statement.
2
Recall the availability constraints of Azure Availability Zones.
Identify that while Microsoft aims to expand Availability Zones, select regions do not offer them due to hardware or geographical constraints.
This fact directly refutes the claim that 'all' regions support Availability Zones, making the statement false.

Key Concept

Availability Zones are physically separate datacenters within an Azure region, but they are not supported in all Azure regions.
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Topics

Azure Regions, Availability Zones, and Region Pairs

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