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LPI 102-500 Practice Test - Questions Answers, Page 6

Question list

List of questions

Question 51

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Which of the following fields are available in both the global /etc/crontab file as well as in userspecific crontab files? (Select TWO correct answers)

Question 52

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Which command can be used to delete a group from a Linux system?

Question 53

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What is the purpose of the iconv command?

Question 54

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In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

Question 55

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Which of the following commands can remove a user from a group?

Question 56

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Where are user specific crontabs stored?

Question 57

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Which file contains the date of the last change of a user's password?

Question 58

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Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope? (Specify the variable name only.)

Question 59

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Each entry in a crontab must end with what character?

Question 60

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To prevent a specific user from scheduling tasks with at, what should the administrator do?

Question 51

Which of the following fields are available in both the global /etc/crontab file as well as in userspecific crontab files? (Select TWO correct answers)

Year

Minute

Username

Command

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Question 52

Which command can be used to delete a group from a Linux system?

groupdel

groupmod

groups

groupedit

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Question 53

What is the purpose of the iconv command?

It converts bitmap images from one format to another such as PNG to JPEG.

It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).

It displays additional meta information from icon files ending in .ico.

It changes the mode of an inode in the ext4 file system.

It converts files from one character encoding to another.

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Question 54

In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

Without additional configuration, no users may have user specific crontabs.

Without additional configuration, all users may have user specific crontabs.

The cron daemon will refuse to start and report missing files in the system's logfile.

When a user creates a user specific crontab the system administrator must approve it explicitly.

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Question 55

Which of the following commands can remove a user from a group?

grouprm

groupmod

passwd

usergroups

usermod

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Question 56

Where are user specific crontabs stored?

In the database file /etc/crontab.db which is shared by all users.

As individual per-user files within /var/spool/cron.

As individual per-user files in /etc/cron.user.d.

In the .crontab file in the user's home directory.

In the file /var/cron/user-crontab which is shared by all users.

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Question 57

Which file contains the date of the last change of a user's password?

/etc/gshadow

/etc/passwd

/etc/pwdlog

/etc/shadow

/var/log/shadow

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Question 58

Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope? (Specify the variable name only.)

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