JAVA/Sun Exam Questions

Which command will disablethe sendmail service, even if the system is rebooted, patched, or upgraded

To harden a newly installed Solaris OS, an
administrator needs to disable the sendmail service. Which command will disable
the sendmail service, even if the system is rebooted, patched, or upgraded, while
still allowing email to be sent?

A.
rm /etc/rc2.d/S88sendmail

B.
pkgrm SUNWsndmr SUNWsndmu

C.
svcadm disable svc:/network/smtp:sendmail

D.
svcadm disable -t svc:/network/smtp:sendmail