Explanation
Backup-restore
Backing up your applications and datasets enables you to quickly recover from downtime due to data corruption, accidental deletions, or disasters. For IaaS VM-based applications you can use an in-guest agent to protect application data, operating system configuration, and data stored on volumes.
Note: Azure Backup provides independent and isolated backups to guard against unintended destruction of the data on your VMs. Backups are stored in a Recovery Services vault with built-in management of recovery points. Configuration and scaling are simple, backups are optimized, and you can easily restore as needed.
Reference:
https://learn.microsoft.com/en-us/azure-stack/user/azure-stack-manage-vm-protect
https://learn.microsoft.com/en-us/azure/backup/backup-azure-vms-introduction