Ch13 File Permissions Exam

Ch13 File Permissions Exam

1. Assuming everyone has access to the directory the file is in, who can view the contents of a file with permissions of rw-r—-x?

   • Others
   • Both the user owner and group owners
   • Everyone
   • Only the user owner
   • Only the group owners

2. For rwxr-x--x permission set, the highlighted permissions belong to:

   • All users besides the user owner and group owner
   • The group owner of the file
   • The user owner of the file
   • The user owner and group owner of the file

3. For the rwxr-x--x permission set, the highlighted permissions belong to:

   • The group owner of the file
   • The user owner of the file
   • All users besides the user owner and group owner
   • The user owner and group owner of the file

4. For the rwxr-x--x permission set, the highlighted permissions belong to:

   • The group owner of the file
   • The user owner and group owner of the file
   • The user owner of the file
   • All users besides the user owner and group owner

5. If a file has permissions that appear as rwxr-x---, what is the octal permission mode of the file?

   • 750
   • 760
   • 650
   • 740

6. The command, chmod 0777 /data will:

   • Make the /data directory a setgid directory
   • Make the /data directory a setuid directory
   • Make the /data directory a sticky bit directory
   • Remove all special permissions

7. The command, chmod 1777 /data will:

   • Make the /data directory a sticky bit directory
   • Make the /data directory a setgid directory
   • Remove all special permissions
   • Make the /data directory a setuid directory

8. The command, chmod 2777 /data will:

   • Make the /data directory a setgid directory
   • Remove all special permissions
   • Make the /data directory a setuid directory
   • Make the /data directory a sticky bit directory

9. The command, chmod a+x will:

   • Add execute permissions for the user owner
   • Remove execute permissions for the user owner
   • Remove execute permission for all users
   • Add execute permission for all users

10. The command, chmod u=g will:

    • Nothing, the command syntax is invalid
    • Set the group owners permissions to match the user owners permissions
    • Set the user owners permissions to rwx
    • Set the user owners permissions to match the group owners permission

11. The group ownership of a file may only be changed by:

    • The owner of the file
    • The root user
    • Any user can change the group ownership of any file
    • Both the root user and the owner of the file

12. The only person who can change the user ownership of a file is:

    • Both the root user and owner of the file
    • Any user can change the group ownership of any file
    • The root user
    • The owner of the file

13. The only user with the capability to change the owner of a file is root.

    True or False?

    • True
    • False

14. The setuid permission on a file:

    • Causes the file to always run as root
    • Causes the file to never run as root
    • Causes the file to run under the user’s identity
    • Causes the file to run under the owner’s identity

15. To access a directory with the cd command, you must also be able to access all the parent directories of the directory with the cd command.

    True or False?

    • True
    • False

16. To have permissions set to rwxr-x–x, you can use the following command:

    • chmod 777 file
    • chmod 711
    • chmod 751
    • chmod 755

17. To run a script file, you need both read and execute permission.

    True or False?

    • True
    • False

18. To run binary executables, you need both read and execute permission.

    True or False?

    • True
    • False

19. To switch to another group, you must:

    • Log in as the staff user
    • Be logged in graphically
    • Log off and log back in
    • Be a member of the group that you are switching to

20. Using the setgid permission on a directory:

    • Causes the directory to be writable to members of the group that owns the directory
    • Causes files existing in the directory to be owned by the group that owns the directory
    • Causes files existing in the directory to be made executable by the group
    • Causes new files created in the directory to be owned by the group that owns the directory

21. What umask value would you use in order for new directories to have the permissions of rwxr-x–x?

    • 077
    • 022
    • 026
    • 027

22. Which command can be used to set what your default permissions will be on new files?

    • umode
    • umask
    • mode
    • mask

23. Which command can change the user owner of a file?

    • own
    • chown
    • pawn
    • chpawn

24. Which command is used to change permissions on a file?

    • chperm
    • chgperm
    • chmod
    • chgmode

25. Which commands can be used to change the ownership of a file?

    (choose two)

    • chgrp
    • newgrp
    • chown
    • chggrp

26. Which command will allow you to change the group ownership of a file that you own?

    • regroup
    • chmod
    • chown
    • chgrp

27. Which command will allow you to switch to another group and add files that are group-owned by this other group?

    • chgrp
    • switchgrp
    • newgroup
    • newgrp

28. Which permission is necessary on a directory in order for a user to use the cd command to change that directory?

    • Read
    • Write
    • Execute
    • None

29. Which permission, when set on a directory, causes new files and directories that are created inside to be owned by the group that owns the directory?

    • write
    • setuid
    • setgid
    • sticky bit