Which PowerShell cmdlet could potentially result in data loss if the running application does not save its data automatically?

The cmdlet responsible for potentially causing data loss is the one that stops a virtual machine (VM). When you use the cmdlet to stop a VM, it effectively powers down the machine without allowing the applications running on it to save their current state or data. If the applications lack an auto-save feature or if unsaved changes are present, this sudden interruption can lead to loss of that data.

The other cmdlets serve different purposes. Starting a VM initializes it, and retrieving information about a VM does not impact its state or data at all. Restarting a VM does involve stopping and then starting it again, but it is a more controlled operation that often allows applications to handle the shutdown process and save data appropriately, thus minimizing the risk of data loss.