Which of the following crontab entries could be used to set the system time at regular intervals?
A.
1 0 * * * date $d $t $24
B.
1 0 * * * settime $d $t $24
C.
1 0 * * * date<ntp1.digex.net
D.
1 0 * * * /usr/sbin/runcron date <ntp1.digex.net
E.
1 0 * * * /usr/sbin/ntpdate ntp1.digex.net > /dev/null 2>&1