A systems administrator wants to disable the Linux Kernel WatchDog Timer Driver for security purposes. Which of the following will accomplish this task?
A. Add blacklist watchdog to the /etc/modprobe.d/blacklist file.
B. Rename the /etc/modprobe.d/watchdog file to watchdog.off instead.
C. Remove the watchdog=1 from the /usr/modules/watchdog.conf file.
D. Add watchdog=0 to the /etc/modprobe.conf file.
Reference: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/blacklisting_a_module