Hotspot Question
You have a Hyper-V host that runs Windows Server 2016. The Hyper-V host has a virtual machine
named VM1. You have a VHD named VHD1 vhdx that has a generalized image of Windows Server
2016. You plan to create multiple virtual machines that will use the generalized image. You need
to create differencing disks based on VHD1 vhdx. What command should you run? To answer,
select the appropriate options in the answer area.
Answer: 
https://blogs.technet.microsoft.com/canitpro/2013/05/28/step-by-step-creating-differencing-disks/
Correct
https://docs.microsoft.com/en-us/powershell/module/hyper-v/new-vhd?view=win10-ps
New-VHD -ParentPath c:\Base.vhdx -Path c:\Diff.vhdx -Differencing
This example creates a VHDX-format differencing virtual hard disk with a parent path of c:\Base.vhdx.