Module 3-04 Challenge

Question 1

What are the arguments in “ mv Q1users.txt /home/analyst/reports “? Select two answers.

1) Q1users.txt
2) /home/analyst/reports
3) .txt
4) mv

Answer 1

1) Q1users.txt
2) /home/analyst/reports

Question 2

Which of the following items represents the root directory?

1) /
2) *
3) *home
4) /home

Answer 2

/

Question 3

A security analyst enters “ grep OS updates.txt “ into the command line. What does this tell the operating system to do?

• Create a new directory named OS and a new file named “ updates.txt “
• Search through the updates.txt file and return all lines containing the string OS
• Move the “ updates.txt “ file to the OS directory
• Create a new file named “ updates.txt “ in the OS directory

Answer 3

Search through the “ updates.txt “ file and return all lines containing the string OS

Question 4

Which of these commands creates a new file?

1) touch
2) mkdir
3) cd
4) chmod

Answer 4

touch

Question 5

Which of the following are types of permissions? Select all that apply.

• Execute
• Authorize
• Read
• Write

Answer 5

• Execute
• Read
• Write

Question 6

A security analyst enters “ chmod u+w,g-r access.txt “ into the command line. What does this command tell the operating system to do? Select all that apply.

• Remove read permissions from the group for the “ access.txt “ file
• Add write permissions to the group for the “ access.txt “ file
• Add write permissions to the user for the “ access.txt “ file
• Remove read permissions from the user for the “ access.txt “ file

Answer 6

• Remove read permissions from the group for the “ access.txt “ file
• Add write permissions to the user for the “ access.txt “ file

Question 7

A user is not a root user, but needs elevated privileges to use certain commands. What should they do?

• Use the “ chmod “ command
• Assign themselves execute permissions
• Assign themselves write permissions
• Use the “ sudo “ command

Answer 7

Use the “ sudo “ command

Question 8

What should you specify in the argument following the cd command?

• The string you want to search for
• Your current directory
• The directory you want to navigate to
• The file you want to create

Answer 8

The directory you want to navigate to

Question 9

Which of the following commands searches the manual page descriptions for a specified string?

1) apropos
2) cp
3) man
4) pwd

Answer 9

apropos

Question 10

Given the following permissions “ drw-rw-r– “, what does the fourth character represent?

• The user has execute permissions for this directory
• The owner does not have execute permissions for this directory
• The group has execute permissions for this directory
• The group does not have execute permissions for this directory

Answer 10

• The owner does not have execute permissions for this

Question 11

Fill in the blank: The highest-level directory in Linux is called the _____.

• root directory
• home directory
• sudo
• permissions

Answer 11

root directory

Question 12

What does the “ grep “ command do?

• Prints the working directory to the screen
• Searches a specified file and returns all lines in the file * containing a specified string
• Creates a new directory
• Temporarily grants elevated permissions to specific users

Answer 12

Searches a specified file and returns all lines in the file * containing a specified string

Question 13

What does the “ touch “ command do?

• Creates a new file
• Opens a file editor
• Changes permissions on files and directories
• Moves a file or directory to a new location

Answer 13

Creates a new file

Question 14

What are the three types of permissions?

• Root, user, and group
• Read, write, and save
• User, group, and other
• Read, write, and execute

Answer 14

Read, write, and execute

Question 15

Which command can you use to change your current directory?

1) cat
2) ls
3) cd
4) pwd

Answer 15

cd

Question 16

What are the arguments in “ cp vulnerabilities.txt /home/analyst/projects “? Select two answers.

1) /home
2) vulnerabilities.txt
3) /home/analyst/projects
4) cp

Answer 16

2) vulnerabilities.txt
3) /home/analyst/projects

Question 17

A security analyst is updating permissions on the file “ access.txt “. They want to add write permissions for the user and remove read permissions for the group. What do they enter on the command line?

1) chmod u-w,g+r access.txt
2) chmod u+w,g-r access.txt
3) chmod access.txt u+w,g-r
4) chmod u+rw,g-rw access.txt

Answer 17

2) chmod u+w,g-r access.txt

Question 18

In which of these situations would you enter “ cd logs “?

• You want to search for the string logs in the files of your current directory.
• You want to change to a subdirectory of your current directory named logs.
• You want to print the first 10 lines of the logs file.
• You want to list all the files and directories in the logs directory.

Answer 18

You want to change to a subdirectory of your current directory named logs.

Question 19

Given the following permissions “ drw-rw-r– “, what permissions does the group have? Select all that apply.

• Read
• Write
• Execute
• Use

Answer 19

• Read
• Write