Which of the following is the MOST common method of allowing outside access through a wireless SOHO router for specific program access?

A technician is implementing multifactor authentication for logins to the network. The network already requires a username and password to authenticate users. Which of the following should the technician add to meet the multifactor requirement?

A user ran updates on a Windows computer recently. Since then, the external CD drive no longer reads discs. The user has connected the external drive to another computer that has not been updated and then successfully ran the discs.
Which of the following should the user do to fix the issue?

A user is attempting to open Outlook, Outlook seems to have cached some invalid user login information, causing it to fail when trying to connect to Office 365 applications.
Which of the following Control Panel applets should a technician use to clear the cached invalid user login information?

A company has just experienced a data breach that affected all mobile devices. Which of the following would BEST secure access to users' mobile devices? (Select TWO).