You have an Azure virtual machine named VM1 that runs Windows Server and has the following configurations:
Size: D2s_v4
Operating system disk: 127-GiB standard SSD
Data disk 128-GiB standard SSD
Virtual machine generation: Gen 2
You plan to perform the following changes to VM1:
Change the virtual machine size to D4s_v4.
Detach the data disk.
Add a new standard SSD.
Which changes require downtime for VM1?
A. Detaching the data disk only and adding a new standard SSD.
B. Detaching the data disk only.
C. Changing the virtual machine size only.
D. Adding a new standard SSD only.
