Which crontab entry 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
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