Ownership and Permissions M17 Exam

Ownership and Permissions M17 Exam

1. Which of the following commands set the other permissions on a file to r-x?

   • chmod o=rx file
   • chmod o+rx file
   • chmod o-r-w file
   • chmod o=r+x file

2. Which of the following commands sets the other permissions on a file to r-x?

   • chmod 776 file
   • chmod 777 file
   • chmod 775 file
   • chmod 774 file

3. Only one set (user, group, other) of permission can be changed at once using the symbolic method. True or False?

   • True
   • False

4. Which of the following are methods for setting permissions using the chmod command? (choose two)

   • octal
   • primary
   • letter
   • symbolic

5. The chown command can be used to change the owner and group of a file. True or False?

   • True
   • False

6. The user sysadmin will be able to read a file because they own it. True or False?

   • True
   • False

7. The user sysadmin will be able to change the permissions of a file because they own it. True or False?

   • True
   • False

8. Octal notation uses the following values for the permissions granted:

   • r = 4, w = 2, x = 1
   • r = 4, w = 2, x = 0
   • r = 7, w = 5, x = 0
   • r = 3, w = 2, x = 1

9. Which of the following permissions would allow all users to add, view, and delete files in a directory?

   • 750
   • 775
   • 666
   • 777

10. A user cannot delete a file if they do not own it. True or False?

    • True
    • False

11. The execute permission on a directory allows you to: (choose three)

    • Change to that directory or use it as part of a path
    • Along with read permission to successfully perform ls -l
    • Along with write permission to successfully create new files
    • Along with write permission to successfully delete the directory

12. The execute permission on a file allows you to:

    • Move the file to a new directory
    • This permission isn’t meaningful for text files.
    • Run the file as a script
    • Delete the file

13. The chgrp command can be used on a file by:

    • Only root
    • The file owner and root
    • A user that belongs to the files current group
    • Only the file owner

14. The chown command can be used to change the user owner on a file by:

    • The file owner and root
    • The file owner
    • A user that belongs to the files current group
    • Only root

15. The chmod command can be used on a file by:

    • A user that belongs to the files current group
    • Only root
    • The file owner and root
    • The file owner

16. The execute permission is never set on files by default. True or False?

    • True
    • False

17. Which of the following chown commands will change the myFile user ownership to the user sam and the group ownership to administrators?(choose two)

    • chown sam.administrators myFile
    • chown sam:administrators myFile
    • chown sam administrators myFile
    • chown sam+administrators myFile

18. The chown command permits changing group ownership done by root only. True or False?

    • True
    • False

19. The user owner of a file will always have the same or higher permissions as “other”. True or False?

    • True
    • False

20. Which of the following commands will list hidden files as well as their ownership?

    • ls -a
    • ls -la
    • ls -l
    • ls -z