Linux Essentials Chapter 15 Exam

Last Updated on May 25, 2018 by Admin

Linux Essentials Chapter 15 Exam Answer

1. Question ID 237

   Which of the following commands set “other” permissions on file to r-x?

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

2. Question ID 238

   Which of the following commands sets “other” permissions on file to r-x?

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

 

3. Question ID 239

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

   True or False?

   • True
   • False

4. Question ID 240

   Which of the following are methods for setting permissions using the chmod command?

   (choose two)

   • binary
   • symbolic
   • letter
   • octal

 

5. Question ID 241

   The chown command can be used to change the owner and group of a file.

   True or False?

   • True
   • False

6. Question ID 242

   The chgrp command can be used to change the owner and group of a file.

   True or False?

   • True
   • False

 

7. Question ID 243

   The user sysadmin will be able to read the file because they own it.

   —-r–r– 1 sysadmin group 38270 Sep 2 18:49 file

   True or False?

   • True
   • False

8. Question ID 244

   The user sysadmin will be able to change the permissions of the file because they own it.

   —-r–r– 1 sysadmin group 38270 Sep 2 18:49 file

   True or False?

   • True
   • False

9. Question ID 245

   Octal notation uses the following values for the permissions granted:

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

10. Question ID 246

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

    • 666
    • 775
    • 750
    • 777

11. Question ID 247

    A user cannot delete a file if they do not own it.

    True or False?

    • True
    • False

12. Question ID 248

    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 write permission to successfully delete the directory
    • Along with read permission to successfully perform ls -l
    • Along with write permission to successfully create new files

13. Question ID 249

    The “execute” permission on a file allows you to:

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

14. Question ID 250

    The chgrp command can be used on a file by:

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

15. Question ID 251

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

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

16. Question ID 252

    The chmod command can be used on a file by:

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

17. Question ID 253

    Which option for the chown command can be used to change the owner of a directory and all the files and directories below it?

    • -r
    • -R
    • -f
    • -a

18. Question ID 254

    The chown command will only accept one file at a time as an argument.

    True or False?

    • True
    • False

19. Question ID 255

    The “execute” permission is never set on files by default.

    True or False?

    • True
    • False

20. Question ID 256

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

    True or False?

    • True
    • False