What is the purpose of the Sticky Keys feature in X?

To assist users who have difficulty holding down multiple keys at once

To prevent repeated input of a single character if the key is held down

To ignore brief keystrokes according to a specified time limit

To repeat the input of a single character

Why is the xhost program considered dangerous to use?

It allows easy access to your X server by other users.

It makes it difficult to uniquely identify a computer on the network.

It allows easy access to your X server by other users.

It logs sensitive information to syslog.

It makes your computer share network resources without any authentication.

It is a graphical DNS tool with known exploits.

Which of the following steps prevents a user from obtaining an interactive login session?

Run the command chsh -s /bin/false with the user name.

Remove the user from the group staff.

Create a .nologin file in the user's home directory.

What is the purpose of the iconv command?

It converts files from one character encoding to another.

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.

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

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

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.

Where are user specific crontabs stored?

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

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.

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

Add the specific user to /etc/at.deny file.

Add the specific user to /etc/at.allow file.

Add the specific user to [deny] section in the /etc/atd.conf file.

Add the specific user to /etc/at.deny file.

Add the specific user to nojobs group.

Run the following: atd --deny [user].

What is true about the file /etc/localtime?

It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/Berlin.

It is a plain text file containing a string such as Europe/Berlin

It is created and maintained by the NTP service based on the location of the system's IP address.

It is a symlink to /sys/device/clock/ltime and always contains the current local time.

After changing this file, newtzconfig has to be run to make the changes effective.

It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/Berlin.

What is true regarding the command userdel --force --remove bob? (Choose TWO correct answers.)

The user bob is removed from the system's user database.

The user bob's home directory is removed.

The user bob is removed from the system's user database.

The user bob's home directory is removed.

The locate database is updated to drop files owned by bob.

All files owned by bob are remove from all mounted filesystems.

In case bob was the last member of a group, that group is deleted.

Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)

The list of users that belong to the group.

The home directory of the group.

A French user has installed the French language pack, but currencies are still being displayed with a leading '$' sign in his spreadsheets. What must be done to fix this?

Reinstall the French language pack.

Which of the following can the chage command NOT change?

The number of days since January 1, 1970 after which the password can change.

The number of days since January 1, 1970 after which the user's account will no longer be accessible.

The number of days since January 1, 1970 after which the password can change.

The number of days since January 1, 1970 since the password was last changed.

The maximum number of days during which a password is valid.

The number of days of inactivity after a password has expired before the account is locked.

Of the ways listed, which is the best method to temporarily suspend a user's ability to interactively login?

Use chage to expire the user account.

Use passwd -d username to give the user an empty password.

Use chage to expire the user account.

Add the command exit to the user's .login file.

What is the conventional purpose of Linux UIDs that are lower than 100?

They are reserved for system accounts.

They are reserved for super user accounts.

They are reserved for the system admin accounts.

They are reserved for system accounts.

They are unused, aside from 0, because they are targets of exploits.

They are used to match with GIDs in grouping users.

How is the file format of /etc/crontab different from a normal crontab file? (Select TWO correct answers)

A normal crontab file must be installed with the crontab command.

The /etc/crontab file has a user field for commands.

The /etc/crontab file can specify a year field.

A normal crontab file must be installed with the crontab command.

A normal crontab file allows for environment variable substitution.

The /etc/crontab file has a user field for commands.

What is the main difference between the batch and at commands?

The batch command will run when system load is low. The at command runs at a specific time.

The batch command will run multiple times.The at command will only run once.

The batch command will run when system load is low. The at command runs at a specific time.

The at command reads commands from standard input. The batch command requires a command line argument.

The at command e-mails results to the user. The batch command logs results to syslog.

LPI 102-500 Practice Test 2 - Free Online Exam Questions 41-80

Your senior administrator asked you to change the default background of his machine, which uses XDM. Which file would you edit to achieve this?

/etc/X11/xdm/Xsetup

/etc/X11/xdm.conf

/etc/X11/xdm/Defaults

/etc/X11/defaults.conf

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