LFCS Online Practice Questions and Answers

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

A. Boot device order

B. Linux kernel version

C. Timezone

D. Hardware configuration

E. The system's hostname

Each entry in a crontab must end with what character?

A. Tab

B. Space

C. Backslash

D. Newline

Which of the following settingsfor umask ensures that new files have the default permissions -rw-r----- ?

A. 0017

B. 0640

C. 0038

D. 0027

Which of the following commands is used to update the list of available packages when using dpkg based package management?

A. apt-get update

B. apt-get upgrade

C. apt-cache update

D. apt-get refresh

E. apt-cache upgrade

After moving data to a new filesystem, how can the former path of the data be kept intact in order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)

A. By creating an ACL redirection from the old to the new path of the data.

B. By creating a hard link from the old to the new path of the data.

C. By creating a symbolic link from the old to the new path of the data.

D. By running the command touch on the old path.

E. By mounting the new filesystem on the original path of the data.

What happens after issuing the command vi without any additional parameters?

A. vi starts and loads the last file used and moves the cursor to the position where vi was when it last exited.

B. vi starts and requires the user to explicitly either create a new or load an existing file.

C. vi exits with an error message as it cannot be invoked without a file name to operate on.

D. vi starts in command mode and opens a new empty file.

E. vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.

When given the following command line.

echo "foo bar" | tee bar | cat

Which of the following output is created?

A. cat

B. foo bar

C. tee bar

D. bar

E. foo

Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?

A. 0 * * * 30 myscript

B. 30 * * * 6 myscript

C. 30 0 * * 0 myscript

D. 30 0-23 * * 0 myscript

E. 0 0-23 * * 30 myscript

Which of the following commands will write a message to the terminals of all logged in users?

A. bcast

B. mesg

C. print

D. wall

E. yell

Which of the following is correct when talking about mountpoints?

A. Every existing directory can be used as a mount point.

B. Only empty directories can be used as a mount point.

C. Directories need to have the SetUID flag set to be used as a mount point.

D. Files within a directory are deleted when the directory is used as a mount point.