Linux Essentials Chapter 15 Exam

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

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