Last Updated on October 17, 2019 by Admin
NDG Linux Essentials 2.0 Chapter 17 Exam Answers
-
Which of the following commands set “other” permissions on file to
r-x
?- chmod o-r-w file
- chmod o+rx file
- chmod o=rx file
- chmod o=r+x file
-
Which of the following commands sets “other” permissions on file to
r-x
?- chmod 775 file
- chmod 776 file
- chmod 777 file
- chmod 774 file
-
Only one set (user, group, other) of permission can be changed at once using the symbolic method.
True or False?
- True
- False
-
Which of the following are methods for setting permissions using the
chmod
command?(choose two)
- letter
- primary
- symbolic
- octal
-
The
chown
command can be used to change the owner and group of a file.True or False?
- True
- False
-
The user
sysadmin
will be able to read a file because they own it.True or False?
- True
- False
-
The user
sysadmin
will be able to change the permissions of a file because they own it.True or False?
- True
- False
-
Octal notation uses the following values for the permissions granted:
- r = 7, w = 5, x = 0
- r = 3, w = 2, x = 1
- r = 4, w = 2, x = 0
- r = 4, w = 2, x = 1
-
Which of the following permissions would allow all users to add, view, and delete files in a directory?
- 750
- 775
- 666
- 777
-
A user cannot delete a file if they do not own it.
True or False?
- True
- False
-
The “execute” permission on a directory allows you to:
(choose three)
- 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
- Change to that directory or use it as part of a path
-
The “execute” permission on a file allows you to:
- Move the file to a new directory
- Delete the file
- Run the file as a script
- This permission isn’t meaningful for text files.
-
The
chgrp
command can be used on a file by:- A user that belongs to the files current group
- Only the file owner
- The file owner and root
- Only root
-
The
chown
command can be used to change the user owner on a file by:- The file owner
- Only root
- The file owner and root
- A user that belongs to the files current group
-
The
chmod
command can be used on a file by:- Only root
- A user that belongs to the files current group
- The file owner
- The file owner and root
-
The “execute” permission is never set on files by default.
True or False?
- True
- False
-
Which of the following
chown
commands will change themyFile
user ownership to the usersam
and the group ownership toadministrators
?(choose two)
- chown sam administrators myFile
- chown sam.administrators myFile
- chown sam:administrators myFile
- chown sam+administrators myFile
-
The
chown
command permits changing group ownership done by root only.True or False?
- True
- False
-
The user owner of a file will always have the same or higher permissions as “other”.
True or False?
- True
- False
-
Which of the following commands will list hidden files as well as their ownership?
- ls -la
- ls -l
- ls -a
- ls -z