Answer-first summary for fast verification
Answer: availability zones
The correct answer is D. Azure availability zones are designed to ensure high availability and resilience by distributing resources across physically separate locations within the same region. If a datacenter within an availability zone-enabled region fails due to events like earthquakes, floods, or fires, the service can continue to function without interruption because other availability zones will take over. This redundancy and logical isolation of services make availability zones the best option for maintaining service availability during a datacenter failure.
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In order to deploy a service on Azure virtual machines with the goal of maintaining service availability during a datacenter failure, which Azure feature should be incorporated into the virtual machine deployment strategy?
A
availability sets
B
proximity placement groups
C
host groups
D
availability zones