1. What does crontab -e do?
Junior- A.list the current user's cron jobs
- B.list active systemd timers and next run times
- C.edit the current user's cron jobs
- D.schedule a one-time command to run in an hour
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1. What does
Junior2. Which command will edit the current user's cron jobs?
Junior- A.systemctl list-timers
- B.crontab -l
- C.at now + 1 hour
- D.crontab -e
3. Which statement is correct?
Junior- A.crontab -e — edit the current user's cron jobs
- B.crontab -e — list the current user's cron jobs
- C.crontab -e — list active systemd timers and next run times
- D.crontab -e — schedule a one-time command to run in an hour
4. What does crontab -l do?
Junior- A.list active systemd timers and next run times
- B.edit the current user's cron jobs
- C.list the current user's cron jobs
- D.schedule a one-time command to run in an hour
5. Which command will list the current user's cron jobs?
Junior- A.systemctl list-timers
- B.at now + 1 hour
- C.crontab -e
- D.crontab -l
6. Which statement is correct?
Junior- A.crontab -l — list the current user's cron jobs
- B.crontab -l — schedule a one-time command to run in an hour
- C.crontab -l — edit the current user's cron jobs
- D.crontab -l — list active systemd timers and next run times
7. What is ***/15 * * * ***?
Mid- A.a cron schedule meaning every 15 minutes
- B.runs periodic jobs that were missed while the system was off
- C.the systemd-timer directive that schedules by calendar time
- D.a directory of scripts run once per day by cron/anacron
8. Which term means: "a cron schedule meaning every 15 minutes"?
Mid- A.anacron
- B./etc/cron.daily
- C.systemd timer OnCalendar
- D.*/15 * * * *
9. Which statement is correct?
Mid- A.*/15 * * * * — the systemd-timer directive that schedules by calendar time
- B.*/15 * * * * — a cron schedule meaning daily at 02:00
- C.*/15 * * * * — minute, hour, day-of-month, month, day-of-week
- D.*/15 * * * * — a cron schedule meaning every 15 minutes
10. What is cron five fields?
Junior- A.runs periodic jobs that were missed while the system was off
- B.a directory of scripts run once per day by cron/anacron
- C.minute, hour, day-of-month, month, day-of-week
- D.the systemd-timer directive that schedules by calendar time
11. Which term means: "minute, hour, day-of-month, month, day-of-week"?
Junior- A.0 2 * * *
- B.cron five fields
- C.systemd timer OnCalendar
- D.*/15 * * * *
12. Which statement is correct?
Junior- A.cron five fields — a cron schedule meaning daily at 02:00
- B.cron five fields — the systemd-timer directive that schedules by calendar time
- C.cron five fields — a directory of scripts run once per day by cron/anacron
- D.cron five fields — minute, hour, day-of-month, month, day-of-week
13. What is systemd timer OnCalendar?
Mid- A.minute, hour, day-of-month, month, day-of-week
- B.runs periodic jobs that were missed while the system was off
- C.a cron schedule meaning daily at 02:00
- D.the systemd-timer directive that schedules by calendar time
14. Which term means: "the systemd-timer directive that schedules by calendar time"?
Mid- A.anacron
- B./etc/cron.daily
- C.*/15 * * * *
- D.systemd timer OnCalendar
15. Which statement is correct?
Mid- A.systemd timer OnCalendar — a cron schedule meaning daily at 02:00
- B.systemd timer OnCalendar — a directory of scripts run once per day by cron/anacron
- C.systemd timer OnCalendar — a cron schedule meaning every 15 minutes
- D.systemd timer OnCalendar — the systemd-timer directive that schedules by calendar time
16. What does at now + 1 hour do?
Junior- A.list active systemd timers and next run times
- B.edit the current user's cron jobs
- C.schedule a one-time command to run in an hour
- D.list the current user's cron jobs
17. Which command will schedule a one-time command to run in an hour?
Junior- A.at now + 1 hour
- B.crontab -l
- C.crontab -e
- D.systemctl list-timers
18. Which statement is correct?
Junior- A.at now + 1 hour — list the current user's cron jobs
- B.at now + 1 hour — schedule a one-time command to run in an hour
- C.at now + 1 hour — list active systemd timers and next run times
- D.at now + 1 hour — edit the current user's cron jobs
19. What does systemctl list-timers do?
Mid- A.schedule a one-time command to run in an hour
- B.edit the current user's cron jobs
- C.list the current user's cron jobs
- D.list active systemd timers and next run times
20. Which command will list active systemd timers and next run times?
Mid- A.crontab -e
- B.systemctl list-timers
- C.crontab -l
- D.at now + 1 hour
21. Which statement is correct?
Mid- A.systemctl list-timers — schedule a one-time command to run in an hour
- B.systemctl list-timers — edit the current user's cron jobs
- C.systemctl list-timers — list active systemd timers and next run times
- D.systemctl list-timers — list the current user's cron jobs
22. What is **0 2 * * ***?
Junior- A.a cron schedule meaning every 15 minutes
- B.the systemd-timer directive that schedules by calendar time
- C.a directory of scripts run once per day by cron/anacron
- D.a cron schedule meaning daily at 02:00
23. Which term means: "a cron schedule meaning daily at 02:00"?
Junior- A.cron five fields
- B.0 2 * * *
- C.systemd timer OnCalendar
- D./etc/cron.daily
24. Which statement is correct?
Junior- A.0 2 * * * — a directory of scripts run once per day by cron/anacron
- B.0 2 * * * — a cron schedule meaning daily at 02:00
- C.0 2 * * * — a cron schedule meaning every 15 minutes
- D.0 2 * * * — runs periodic jobs that were missed while the system was off
25. What is /etc/cron.daily?
Mid- A.runs periodic jobs that were missed while the system was off
- B.minute, hour, day-of-month, month, day-of-week
- C.a cron schedule meaning every 15 minutes
- D.a directory of scripts run once per day by cron/anacron
26. Which term means: "a directory of scripts run once per day by cron/anacron"?
Mid- A./etc/cron.daily
- B.0 2 * * *
- C.anacron
- D.systemd timer OnCalendar
27. Which statement is correct?
Mid- A./etc/cron.daily — a directory of scripts run once per day by cron/anacron
- B./etc/cron.daily — a cron schedule meaning every 15 minutes
- C./etc/cron.daily — runs periodic jobs that were missed while the system was off
- D./etc/cron.daily — minute, hour, day-of-month, month, day-of-week
28. What is anacron?
Mid- A.a cron schedule meaning daily at 02:00
- B.runs periodic jobs that were missed while the system was off
- C.minute, hour, day-of-month, month, day-of-week
- D.a directory of scripts run once per day by cron/anacron
29. Which term means: "runs periodic jobs that were missed while the system was off"?
Mid- A./etc/cron.daily
- B.cron five fields
- C.anacron
- D.0 2 * * *
30. Which statement is correct?
Mid- A.anacron — a cron schedule meaning every 15 minutes
- B.anacron — minute, hour, day-of-month, month, day-of-week
- C.anacron — the systemd-timer directive that schedules by calendar time
- D.anacron — runs periodic jobs that were missed while the system was off
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