Easy XK0-006 practice questions
Direct recall — confirm you know the core facts and definitions. 6 easy questions available — no sign-up, always free.
A database server has a volume group named 'vg_data' with 200 GB of free extents. You need to provision a new 50 GB logical volume called 'lv_backups' that you will format and mount later. Which command creates this logical volume from the existing volume group?
A colleague sends you a file named report.txt.gpg that was encrypted using your public key. You have already imported your own key pair into your GnuPG keyring. Which command decrypts the file and writes the plaintext to report.txt?
A developer has generated a new GPG key pair and needs to share her public key with a colleague so that the colleague can encrypt files for her. She wants to produce an ASCII-armored text file of only the public key that she can email safely. Which command should she run?
A systems administrator is troubleshooting a storage driver issue on a running server. They need to see which kernel modules are currently loaded, along with each module's memory size and the list of other modules that depend on it. Which command should they run?
A security auditor asks you to confirm whether SELinux is actively enforcing policy on a production RHEL server right now, without changing any configuration or rebooting. Which command reports the current runtime enforcement mode in a single word?
A newly deployed monitoring agent runs correctly when an administrator starts it manually with 'systemctl start agentd.service', but it does not come up automatically after the server is rebooted. The unit file exists in /etc/systemd/system/ and contains a valid [Install] section with 'WantedBy=multi-user.target'. Which command resolves the issue so the service starts on every boot?