Microsoft Azure Fundamentals AZ-900 Practice Question
Your organization wants to minimize downtime for its virtual machines caused by hardware failures within a single Azure datacenter. The solution should distribute VMs across multiple physical hardware hosts to improve resilience.
Which Azure feature should you use to achieve this?
Availability Sets place virtual machines in separate fault domains (different racks, power, and network switches) and update domains inside the same datacenter. This distribution across physical hardware hosts limits the impact of host failures or planned maintenance.
Virtual Machine Scale Sets can also spread instances across fault domains, but their primary purpose is to provide automatic scaling for a group of identical VMs, which adds unnecessary complexity for this specific requirement.
Azure Load Balancer only distributes incoming network traffic and has no control over the physical placement of VMs.
Azure Virtual Network offers network isolation and routing capabilities but does not affect where VMs run on the underlying hardware.
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What are Fault Domains and Update Domains in Azure?
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How does an Availability Set differ from Virtual Machine Scale Sets?
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Can Availability Sets work across multiple regions or datacenters?
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Microsoft Azure Fundamentals AZ-900
Azure Architecture and Services
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