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Difficulty: MediumAzure Regions, Availability Zones, and Region Pairs

A manufacturing corporation wants to deploy a critical production monitoring system in Azure. The system must be resilient to power, cooling, or network failures affecting an entire physical datacenter facility. The architecture team specifies that the backup resources must be located in the same geographic region to keep latency as low as possible. Which Azure feature should be utilized to distribute the virtual machines across separate physical facilities within the region?

  1. Availability ZonesAnswer
  2. B
    Region Pairs
  3. C
    Separate Resource Groups
  4. D
    Azure Regions

Answer

Availability Zones
The correct answer is Availability Zones. Availability Zones are physically separate locations within a single Azure region. Each zone has its own independent power, cooling, and networking infrastructure. Deploying virtual machines across multiple Availability Zones protects applications from datacenter-level outages while maintaining low-latency communication because all components remain within the same geographical region.

Step-by-Step Solution

1
Analyze the requirements: physical isolation from power, cooling, or network failures within the same geographical region, maintaining low latency.
Identify that the solution must provide high availability inside a single region, isolating physical datacenters.
This rules out region pairs, which are for disaster recovery across different regions, and standard region deployments that do not guarantee zone isolation.
2
Select the Azure infrastructure component that provides datacenter-level isolation (independent power, cooling, and networking) within a single region.
Availability Zones meet these exact criteria by isolating workloads across separate physical facilities within a single region.
Availability Zones are specifically designed to protect against the loss of a single datacenter while keeping data within the same region for low-latency performance.

Key Concept

Azure Availability Zones provide physical redundancy and isolation within a single Azure region to protect against datacenter outages.
Estimated Time:1m 0s
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Topics

Azure Regions, Availability Zones, and Region Pairs

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