Online Access Free XK0-006 Practice Test

A systems administrator must provide privileged access to a specific user in a Linux system.
Which of the following commands should the administrator use?

• A.echo username >> /etc/sudoers.d/privileged
• B.usermod -aG sudo username
• C.sed -i 's/username/root/' /etc/passwd
• D.visudo username

An administrator needs to append the output of a Linux command to an existing file for later analysis. Which of the following command-line strings should the administrator use?

• A.ls >> file.txt
• B.echo ls | sed -i file.txt
• C.tcc ls > awk file.txt
• D.cat ls > file.txt

An administrator wants to search a file named myFile and look for all occurrences of strings containing at least five characters, where characters two and five are i, but character three is not b. Which of the following commands should the administrator execute to get the intended result?

• A.grepa^b*a myFile
• B.grep .i[^b].i myFile
• C.grep .a., [a] myFile
• D.grep .a*^b-.a myFile

A Linux administrator needs to add an instruction into a Dockerfile so that the process
/sbin/app-01is executed when a new container starts. Which of the following accomplishes this task?

• A.ONBUILD
• B.FROM
• C.ENTRYPOINT
• D.EXPOSE

A systems administrator is creating a new shared directory. Which of the following commands ensures all users from the same group will be able to work with the newly created files?

• A.chmod g+w /shared
• B.chmod g+s /shared
• C.chmod g+r /shared
• D.chmod g+x /shared