A LUKS device was mapped using the command:
cryptsetup luksOpen/dev/sdal crypt-vol
Given that this device has three different keys, which of the following commands deletes only the first key?
A. cryptsetup luksDelKey /dev/sda 1 0
B. cryptsetup luksDelkey /dev/sda 1 1
C. cryptsetup luksDelKey / dev /mapper/crypt- vol 1
D. cryptsetup luksDelKey / dev /mapper/crypt- vol 0
The luksDelKey was replaced with luksKillSlot.
Source: https://linux.die.net/man/8/cryptsetup
# cryptsetup luksKillSlot /dev/sdb4 1