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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 resource groups.
Does this meet the goal?
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A. B.B
A resource group is a logical container for Azure resources. When you create a resource group, you specify which location to create the resource group in.
However, when you create a virtual machine and place it in the resource group, the virtual machine can still be in a different location (different datacenter).
Therefore, creating multiple resource groups, even if they are in separate datacenters does not ensure that the services running on the virtual machines are available if a single data center fails.
https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/overview#resource-groupsNo, deploying the virtual machines to two or more resource groups does not meet the goal of ensuring availability of services if a single data center fails. Resource groups are logical containers for Azure resources, and they are not designed to provide high availability or disaster recovery capabilities.
To achieve high availability and disaster recovery in Azure, you need to use Azure Availability Zones or Azure Site Recovery.
Azure Availability Zones are physically separate data centers within an Azure region that are interconnected with high-speed, private fiber-optic networks. Deploying virtual machines in different Availability Zones ensures that your services remain available even if one zone goes down.
Azure Site Recovery is a disaster recovery solution that replicates your virtual machines to a secondary location, such as another Azure region or an on-premises site. In the event of a data center outage, you can fail over your services to the secondary location and continue operations.
In summary, while deploying virtual machines to multiple resource groups is a good practice for resource management and access control, it does not provide the necessary level of availability and disaster recovery for ensuring services remain available in the event of a single data center failure. Azure Availability Zones or Azure Site Recovery are better options for achieving high availability and disaster recovery in Azure.
