An administrator has created a mapping with the following command:
cryptsetup luksOpen /dev/sda1 cryptvol
and has set three different keys. Which command below will delete the first key?
A.
cryptsetup luksDelKey /dev/sda1 0
B.
cryptsetup luksDelKey /dev/sda1 1
C.
cryptsetup luksDelKey /dev/mapper/cryptvol 1
D.
cryptsetup luksDelKey /dev/mapper/cryptvol 0