A Linux user types the following command:
apt-get update
The action is denied due to insufficient privileges.
Which of the following should precede the above command to successful execution?

A user received a call from a bank to confirm a wire transfer; however, the user created no such request. While troubleshooting, a technician discovers there are rules on the user's account that are forwarding the emails to an external email address and deleting the emails from the bank.
This is an example of:

A user opens a phishing email and types logon credentials into a fake banking website. The computer's antivirus software then reports it has quarantined several temporary Internet files. A technician disconnects the computer from the network. Which of the following should the technician perform NEXT?

A manager requests remote access to a server after hours and on weekends to check data. The manager insists onusing the server. Before granting the access, which of the following is the MOST important step a technician can take to protect against possible infection?

A user is having network printing issues. The user indicates printing was working fine moments ago, but now there are no printers displayed in Microsoft Word.
Which of the following should a technician check FIRST?