NDG Linux Unhatched Exam Answers & Explain Full Questions

NDG Linux Unhatched Exam Answers Full Assessment 100% Scored

1. What does CLI stand for?

  • Command Line Interface
  • Core Line Interface
  • Core Learning Interface
  • Command Learning Interface

Explanation: CLI or Command Line Interface, rather than a GUI or Graphical User Interface you may be familiar with.

2. When entering a command, do arguments or options typically come first?

  • Arguments
  • Options

Explanation: Most commands follow a simple pattern of syntax: command [options…] [arguments…]
In other words, you type a command, followed by any options and/or arguments before pressing the Enter key. Typically options alter the behavior of the command and arguments are items or values for the command to act upon. Although there are some commands in Linux that aren’t entirely consistent with this syntax, most commands use this syntax or something similar.

3. Which of the following is not a correct way to combine options?

  • -r l
  • -l -r
  • -lr
  • -rl

4. Which command will print your current location in the filesystem?

  • cd
  • pwd
  • pd
  • pcl

Explanation: In order to discover where you are currently located within the filesystem, the pwd command can be used. The pwd command prints the working directory, your current location within the filesystem.

5. Which of the following is not an example of a relative path?

  • home/sysadmin/Documents/School/Art
  • Documents/Work
  • Documents
  • /home

6. The ~ (tilde) character is used to represent:

  • A user’s home directory
  • The directory above the current directory
  • The current directory
  • Nothing, it doesn’t have a special meaning

Explanation: The home directory of the current user is represented by the ~ character. You always begin as the sysadmin user, whose home is located at /home/sysadmin. To return to your home directory at any time execute the following command:

[email protected]:~/Documents/School$ cd ~
[email protected]:~$

7. The .. (double period) characters are used to represent:

  • The current directory
  • The directory above the current directory
  • Nothing, it doesn’t have a special
  • A user’s home directory

8. The . (period) character is used to represent:

  • The directory above the current directory
  • A user’s home directory
  • Nothing, it doesn’t have a special meaning
  • The current directory

9. The first character in a long listing ls -l indicates:

  • Hard Link Count
  • File Size
  • Permissions
  • File Type

Explanation: To learn the details about a file, such as the type of file, the permissions, ownerships or the timestamp, perform a long listing using the -l option to the ls command

10. Which option to the ls will sort the output by file size?

  • -z
  • -s
  • -r
  • -S

11. Which of the following sets has the group permissions highlighted?
rw-rw-r--
rw-rw-r--
rw-rw-r--
rw-rw-r--

12. Which command will allow a user to change the permissions of a file?

  • chown
  • chmod
  • chperm
  • perm

13. Changing the user owner of a file requires administrative access.
True or False?

  • True
  • False

14. The mv command requires at least two arguments.
True or False?

  • True
  • False

15. Which command can be used to copy a file?

  • cp
  • rm
  • cy
  • mv

16. Which option to the rm command will allow a user to delete directories?

  • -l
  • -d
  • -r
  • -a

17. Which of the following commands will return only lines that end with test?

  • grep ‘^test’ file.txt
  • grep ‘test$’ file.txt
  • grep ‘$test’ file.txt
  • grep ‘test^’ file.txt

18. Which of the following lines would be not returned by the grep ‘[^0-9]’ file.txt command?

  • My favorite food is avocados.
  • I am 37 years old.
  • 3121991
  • Hello my name is Joe.

19. Which of the following lines would be returned by the grep ‘b[oe]t’ file.txt command?

  • bet
  • beet
  • boot
  • boet

20. Which of the following commands will not shutdown the system immediately?

  • shutdown now ‘Goodbye World!’
  • shutdown now
  • shutdown
  • shutdown +0

21. Which of the following commands can be used to display network configuration information?

  • ifconfig
  • netconfig
  • pwd
  • net

22. Which of the following commands will display every process?

  • ps -e
  • ps –all
  • ps -a
  • ps

23. The ps command requires administrative access.
True or False?

  • True
  • False

24. Which of the following will delete all of a package’s files?

  • apt-get remove
  • apt-get trash
  • apt-get delete
  • apt-get purge

25. Users can update their own passwords.
True or False?

  • True
  • False

26. The root user can change the password of any user.
True or False?

  • True
  • False

27. Which option can be used to view status information about the current user’s password?

  • -S
  • -s
  • -I
  • -i

28. The > character is used for which of the following file descriptors?

  • STDERR
  • STDIN
  • STDOUT

29. Which of the following commands will display the last five lines of a file called file1.txt?
(choose two)

  • tail -5 file1.txt
  • head -n 5 file1.txt
  • tail -n 5 file1.txt
  • tail file1.txt

30. The ping command uses IP addresses to identify a computer on a network.
True or False?

  • True
  • False

31. Commands are case-sensitive.
True or False?

  • True
  • False

Explanation: Every part of the command is normally case-sensitive, so LS is incorrect and will fail, but ls is correct and will execute.

[email protected]:~$ LS
-bash: /usr/games/LS: Permission denied

32. Which command will allow you to change your current directory?

  • chdir
  • cd
  • ls
  • ch

33. Which of the following is NOT an example of an absolute path?

  • Documents
  • /
  • /home/sysadmin

34. The ls command without options or arguments…

  • …lists the contents of the current directory.
  • …generates an error as this command.
  • …lists the contents of a user’s home.
  • …prompts for a directory to list.

35. Which of these commands will create a new shell logged in as the root user?

  • sudo
  • su

36. Which of the following sets has the owner permissions highlighted?
rw-rw-r--
rw-rw-r--
rw-rw-r--
rw-rw-r--

37. Which of the following sets has the other permissions highlighted?
rw-rw-r--
rw-rw-r--
rw-rw-r--
rw-rw-r--

38. Which of the following permission sets indicates that others have only the read permission?

  • rwxrw-r-x
  • rw-rw-r--
  • r–r–r-x
  • rw-r–rwx

39. Which of the following commands is used to change the ownership of a file?

  • chperm
  • chown
  • chow
  • chmod

40. Which of the following commands can be used to rename a file?

  • mv
  • rn
  • name
  • cp

41. The cp command requires at least two arguments.
True or False?

  • True
  • False

42. Which command is used to copy files at the bit level?

  • cp
  • dd

43. The rm command requires at least two arguments.
True or False?

  • True
  • False

44. Which of the following commands is used to filter text?

  • grep
  • text
  • dd
  • regex

45. Which of the following commands will return only lines that begin with test?

  • grep ‘*test’ file.txt
  • grep ‘[test]’ file.txt
  • grep ‘$test’ file.txt
  • grep ‘^test’ file.txt

46. Which of the following commands will update all packages?

  • apt-get search
  • apt-get install
  • apt-get upgrade
  • apt-get update

47. Which of the following commands should be executed before installing a package?

  • apt-get upgrade
  • apt-get search
  • apt-get update
  • apt-get install

48. Which of the following commands can be used to print output to the terminal?

  • ls
  • echo
  • cp
  • chmod

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