The security administrator maintains a number of servers in a facility shared by other organizations. Which OBP commands can the security administrator execute to prevent OpenBoot PROM parameters from unauthorized modification?

A.
use passwd command to set security-password and setenv the security-mode to command

B.
use password command to set security-password and setenv the security-mode to command

C.
use passwd command to set security-password and setenv the security-level to command

D.
use password command to set security-password and setenv the security-level to command