You have a server named SCI that runs a Server Core Installation of Windows Server 2012 R2. Shadow copies
are enabled on all volumes.
You need to delete a specific shadow copy. The solution must minimize server downtime.
Which tool should you use?

A.
Shadow

B.
Diskshadow

C.
Wbadmin

D.
Diskpart

Explanation:
DiskShadow.exe is a tool that exposes the functionality offered by the Volume Shadow Copy Service (VSS).
The diskshadow command delete shadows deletes shadow copies.

Technet, Diskshadow
https://technet.microsoft.com/en-us/library/cc772172(v=ws.11).aspx