HOTSPOT
You plan to implement Azure Backup with virtual machines (VMs) that run Windows and Linux.
You need to ensure that the operating systems (OS) use supported encryption.
What should you use for each OS? To answer, select the appropriate encryption options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Answer: 
Explanation:
Azure back up and restore of encrypted virtual machines is supported for both Windows and Linux virtual
machines using Azure Disk Encryption, which leverages the industry standard BitLocker feature of Windows
and DM-Crypt feature of Linux to provide encryption of disks.
https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/backup/backup-azure-vmsencryption.md
Azure Disk Encryption leverages the industry standard BitLocker feature of Windows and the DM-Crypt feature of Linux
Data security
Backing up Azure VMs requires setting up encryption within the virtual machine. Use BitLocker on Windows virtual machines and dm-crypt on Linux virtual machines. Azure Backup does not automatically encrypt backup data that comes through this path.
https://docs.microsoft.com/en-us/azure/backup/backup-introduction-to-azure-backup