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Question 1 of 29
1. Question
1 pointsThe daemon associated with the cron utility is called the ___________ daemon.Correct
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Question 2 of 29
2. Question
1 pointsThe crontab command can be used to:Correct
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Question 3 of 29
3. Question
1 pointsSystem crontabs are generally found in which of the following directories?Correct
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Question 4 of 29
4. Question
1 pointsAll commands that are run from system crontabs require root privileges. True or False?Correct
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Question 5 of 29
5. Question
1 pointsCommands specified in a crontab file will run only if the root user is logged in. True or False?Correct
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Question 6 of 29
6. Question
1 pointsIn the time fields of a crontab file entry, a _________is used to denote a range of values.Correct
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Question 7 of 29
7. Question
1 pointsThe crontab keyword @reboot implies that the job runs:Correct
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Question 8 of 29
8. Question
1 pointsThe system administrator wants to create a crontab entry to perform daily backups. Which of the following keywords should be used?Correct
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Question 9 of 29
9. Question
1 pointsThe system administrator wants to check the status of a database every hour. Which of the following crontab entries will ensure that the script runs every hour (on the hour) from 8AM to 5PM, Monday through Friday?Correct
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Question 10 of 29
10. Question
1 pointsWhich of the following commands can be used to view the current contents of a crontab file?Correct
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Question 11 of 29
11. Question
1 pointsWhich of the following commands can be used to remove all the crontab entries?Correct
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Question 12 of 29
12. Question
1 pointsRefer to following cron job entry:0 9-18 * * * \home\joe\bin\check-db-statusThe job…Correct
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Question 13 of 29
13. Question
1 pointsHow would you schedule a cron job to run every second?Correct
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Question 14 of 29
14. Question
1 pointsA Linux server, configured for the UTC time zone, is accessed by users from other time zones. The cron jobs scheduled on the server will run:Correct
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Question 15 of 29
15. Question
1 pointsThe crond daemon can be restarted using the command \etc\init.d\crond restartCorrect
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Question 16 of 29
16. Question
1 pointsThe system administrator wants to allow certain users to access the crontab command but not others. This can be done by:Correct
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Question 17 of 29
17. Question
1 pointsA Linux system has entries in both the cron.allow and cron.deny files. Which users, other than root, will have access to the crontab command?Correct
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Question 18 of 29
18. Question
1 pointsOnly 5 out of 100 Linux users in ABCajun Corp need access to crontab. The administrator should:Correct
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Question 19 of 29
19. Question
1 pointsA Linux server may not be powered-on all the time. Which of the following options is most suitable to run scheduled jobs on this server?Correct
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Question 20 of 29
20. Question
1 pointsWhat does the delay field in an anacrontab entry signify?Correct
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Question 21 of 29
21. Question
1 pointsTo force a job to be run irrespective of its timestamp, the anacron command can be used with which of the following options?Correct
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Question 22 of 29
22. Question
1 pointsThe cron scheduler should be used if the jobs are to be run at a particular hour and minute.True or False?Correct
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Question 23 of 29
23. Question
1 pointsA one-time job needs to be scheduled for a specific time. Which of the following commands is most suitable for the task?Correct
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Question 24 of 29
24. Question
1 pointsPam wants to schedule a one-time task using the at command and receive an email once it is complete. Which of the following at command options should she use?Correct
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Question 25 of 29
25. Question
1 pointsAfter executing the atq command, the following jobs are displayed: 2 2014-11-22 22:00 a test_user 3 2014-11-22 20:00 a root 4 2014-11-22 22:45 a oracle_dba Which of the following commands will delete job #2?Correct
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Question 26 of 29
26. Question
1 pointsThe at.allow and at.deny files can be used to control access to:Correct
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Question 27 of 29
27. Question
1 pointsRob has to schedule a job to accomplish a one-time task. He wants to run the job during off-peak hours only. Which of the following is most suitable to schedule this task?Correct
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Question 28 of 29
28. Question
1 pointsbatch commands are executed only when the system’s load average drops below which of the following by default?Correct
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Question 29 of 29
29. Question
1 pointsThe default value for load average for running the batch command can be changed using which of the following commands?Correct
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