You have an Azure virtual machine that runs Windows Server R2. You plan to deploy and configure an Azure Key vault, and enable Azure Disk Encryption for the virtual machine. Which of the following is TRUE with regards to Azure Disk Encryption for a Windows VM? 

Answer options:

A. It is supported for basic tier VMs.
B. It is supported for standard tier VMs.
C. It is supported for VMs configured with software-based RAID systems.
D. It is supported for VMs configured with Storage Spaces Direct (S2D).

B

Reference: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/disk-encryption-windows