Linux+ Exam Practice Questions and Answers

Linux+ Exam Practice Questions and Answers Going through the process of creating a new user, which commands will make this task successful? (select 2) A. useradd B. passwd C. /etc/passwd D. /etc/ - Correct Answer️️ -A. useradd B. passwd You are unable to run the apt-get command because you do not have root priveleges. what command can you run to be able to update the APT (Advanced Package Tool) database of available packages? A. sudo apt-get update B. su -root C. visudo D. Sudoedit - Correct Answer️️ -A. sudo apt-get update A new user called amoon was created on a Linux workstation for a new admin named Alex Moon. The administrator is unable to use it. How will you resolve this? A. vi /etc/passwd B. passwd amoon C. usermod -c "Alex Moon" amoon D. passwd -l amoon - Correct Answer️️ -B. passwd amoon To better manage the users on a Linux workstation, you create a group with a specific name and system defaults. which command will create the group, and where can you find information for the newly created group? (select 2) A. groupadd accountants B. groupadd -g 555 accountants C. /etc/group file D. /etc/profile file - Correct Answer️️ -A. groupadd accountants C. /etc/group file You are unsure which user account you have used to login to your current session on a linux server. which command can you run to display your current user name? A. who B. whoami C. who -i D. w - Correct Answer️️ -B. whoami Which file can you configure to customize your own use of aliases? A. /etc/bashrc B. .bash_profile C. /etc/profile D. .bashrc - Correct Answer️️ -D. bashrc You want to check the permissions of several directories and remove the ability to write to them, if necessary. Which commands will help you accomplish this? (select 2) A. ls -l B. ls -ld C. chmod u-w, g-w, o-w {file or directory name} D. chmod u+r, g+r, o+r {file or directory name} - Correct Answer️️ -B. ls -ld C. chmod u-w, g-w, o-w {file or directory name} An employee in the accounting department who managed a specific directory on a linux file server has left the company. another user called amoon or Alice Moon must take over the directory. which command will effectively change the directory's ownership? A. chgrp accountants {directory name} B. ls -ld {directory name} C. chmod g+s {directory name} D. chown amoon {directory name} - Correct Answer️️ -D. chown amoon {directory name} You want to set a specific file as immutable to prevent it from being modified even from the root user. what command will set this file as immutable? A. chattr +i {file name} B. setfacl -b {file name} C. chmod u+s {file name} D. lsattr {file name} - Correct Answer️️ -A. chattr +i {file name} A user is denied permission to enter a directory, despite having the read permission. what is most likely cause for the denial and what is the solution? (select 2) A. Use chmod to add execute permissions to the specific directory. B. The user needs execute permission to have access to the directory C. As root, remove the immutable flag from the directory using the c