Answer:
Option (B) is the correct answer of this question.
Step-by-step explanation:
Diskpart is the command that uses active and delegated drive letters to troubleshoot technique.
(1) Software without an operating system is on a machine.
(2) In the BIOS, the boot order isn't set correctly.
(3)Not finding the hard drive, or not setting the jumpers correctly.
(4) Without getting an operating system mounted on the hard drive.
(5) The computer has a virus in the boot-sector.
(6)Fails the hard drive.
(7) Extract,Bootrec,Chkdsk are not the commands .