LPI
117-102 · Question #391
Which of the following crontab entries could be used to set the system time at regular intervals?
The correct answer is E. 1 0 * * * /usr/sbin/ntpdate ntp1.digex.net > /dev/null 2>&1. See the full explanation below for the reasoning.
Question
Which of the following crontab entries could be used to set the system time at regular intervals?
Options
- A1 0 * * * date $d $t $24
- B1 0 * * * settime $d $t $24
- C1 0 * * * date<ntp1.digex.net
- D1 0 * * * /usr/sbin/runcron date <ntp1.digex.net
- E1 0 * * * /usr/sbin/ntpdate ntp1.digex.net > /dev/null 2>&1
How the community answered
(26 responses)- A8% (2)
- B4% (1)
- C8% (2)
- E81% (21)
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