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You plan to deploy several Azure virtual machines.
You need to ensure that the services running on the virtual machines are available if a single data center fails.
Solution: You deploy the virtual machines to two or more regions.
Does this meet the goal?
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A. B.A
By deploying the virtual machines to two or more regions, you are deploying the virtual machines to multiple datacenters. This will ensure that the services running on the virtual machines are available if a single data center fails.
Azure operates in multiple datacenters around the world. These datacenters are grouped in to geographic regions, giving you flexibility in choosing where to build your applications.
You create Azure resources in defined geographic regions like 'West US', 'North Europe', or 'Southeast Asia'. You can review the list of regions and their locations.
Within each region, multiple datacenters exist to provide for redundancy and availability.
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/regionsThe solution mentioned in the question, which is to deploy the virtual machines to two or more regions, does meet the goal of ensuring the availability of services running on the virtual machines if a single data center fails.
Deploying virtual machines to multiple regions provides geographic redundancy, which means that if one data center goes down or experiences a disruption, the virtual machines can still operate from the other regions. This helps to ensure that the services running on the virtual machines are continuously available to end-users.
Azure provides several options for deploying virtual machines to multiple regions, including Availability Zones, which are unique physical locations within an Azure region, and Azure regions themselves. Availability Zones provide additional fault tolerance and resiliency by ensuring that virtual machines are deployed to separate physical locations within a region, which reduces the risk of an entire region going down.
In summary, deploying virtual machines to two or more regions is a valid solution to ensure that services running on the virtual machines are available if a single data center fails. Therefore, the answer to this question is A. Yes.