After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)

Which of the following commands preloads and manages existing SSH keys that are used for automatic authentication while logging in to order machines using SSH?

Which command included in systemd supports selecting messages from the systemd journal by criteria such as time or unit name? (Specify only the command without any path or parameters.)

Which of the following statements is valid in the file /etc/nsswitch.conf?

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)