Linux Essentials 2.0 Chapter 18 Exam Answers

Last Updated on May 20, 2021 by Admin

NDG Linux Essentials 2.0 Chapter 18 Exam Answers

  1. The /tmp directory is a temporary directory designed as a location where any user can create a temporary file.

    True or False?

    • True
    • False

  2. The “sticky bit” permission…

    • …sets the group ownership of any new file created in a directory.
    • …prevents others from removing files they don’t own from a common directory.
    • …changes the group ownership of existing files in a directory.
    • …prevents others from overwriting files they don’t own in common directories.

  3. Which of the following commands will set the “sticky bit” on /shared ?

    • chmod 2777 /shared
    • chmod 1777 /shared
    • chmod 6777 /shared
    • chmod 4777 /shared

  4. The “setuid” permission…

    • …prevents the owner of a file from being changed.
    • …allows files in a directory to be manipulated as by the directory owner.
    • …reports the output of a script to the owner.
    • …allows a command to be run as the file owner.

  5. Which of the following commands will set setuid for /usr/bin/program?

    • chmod 4755 /usr/bin/program
    • chmod 2755 /usr/bin/program
    • None of the above
    • chmod 1755 /usr/bin/program

  6. The “setgid” permission…

    (choose two)

    • …prevents the group owner of a file from being changed.
    • …allows a command to be run as the group owner of the file.
    • …allows files created in a directory to be owned by the group that owns the directory.
    • …can only be set on files.

  7. Which of the following commands will set setgid on /shared ?

    • None of the above
    • chmod 2777 /shared
    • chmod 1777 /shared
    • chmod 4777 /shared
    • chmod 4777 /shared

  8. Which of the following long listings represents setgid set for /shared ?

    • drwxrwsrwx. 12 root group 4096 Oct 21 13:12 /shared
    • drwsrwxrwx. 12 root group 4096 Oct 21 13:12 /shared
    • drwxrwxrws. 12 root group 4096 Oct 21 13:12 /shared
    • drwSrwxrwx. 12 root group 4096 Oct 21 13:12 /shared

  9. Setting setgid on a directory…

    • …will allow scripts in the directory to be executed as the group owner of the directory.
    • …is not allowed by the system.
    • …does nothing.
    • …will set the group owner of all files created in the directory to the group owner of the directory.

  10. Deleting a source file will break an associated hard link.

    True or False?

    • True
    • False

  11. A source and a hard link must be part of the same filesystem.

    True or False?

    • True
    • False

  12. Deleting a source file will break an associated symbolic link.

    True or False?

    • True
    • False

  13. A source file and a symbolic link must be part of the same file system.

    True or False?

    • True
    • False

  14. Which of the following commands would create a hard link, link to file?

    • ln file link
    • ln link file
    • ln -s file link
    • ln -s link file

  15. Which of the following commands would create a symbolic link, link to file?

    • ln file link
    • ln -s link file
    • ln link file
    • ln -s file link

  16. Which of the following ls commands, when executed, will only show information about the directory itself?

    (choose two)

    • ls -h
    • ld -d
    • ls -ld
    • ld -a

  17. Which of the following directories are designed as locations where any user can create a temporary file?

    (choose two)

    • /sbin
    • /lost+found
    • /tmp
    • /home
    • /var/tmp