Which changes require downtime for VM1?

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.

View Answer

Answer: C

Explanation:

Data disks can be added and detached without requiring downtime. Changing the VM size requires the VM to be restarted.