CORRECT TEXT
An administrator wants to temporarily prevent users from logging in. Please complete the
following command: touch /etc/______

An administrator needs to pause the CUPS printer Laserjet4, and wants to cancel all print
jobs with a message, “hello”. Which of the following commands will do this?

To prevent a specific user from scheduling tasks with at, which of the following should the
administrator do?

Which of the following commands would an administrator use to create an OpenSSH
authentication key?

CORRECT TEXT
An administrator is logged in as root. What command should the administrator run to find out
what groups user bruno belongs to?

Which of the following can the chage command <b>NOT</tt> change?

CORRECT TEXT
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 print the status of the printer’s
queue? (Provide only the command, without any options or parameters).

Which of the following statements is true regarding the below /etc/resolv.conf file? search
example.com 127.0.0.1 208.77.188.166

Which of the following benefits does an alias provide?

Which of the following is the BEST way to list all defined shell variables?