Which of the following should the data center hardware technician implement to ensure maximum uptime for customers' virtual machines?

A laptop's external webcam software is running, but it shows no image or video. Which of the following should a technician perform FIRST?

A user takes a tablet to a technician because the cursor on it keeps drifting. The technician notices the screen does not appear to be damaged. Which of the following is the MOST likely cause of the cursor issue?

Which of the following would MOST likely be used to obtain electronic images of a large number of printed documents?

A user brings an older laptop to the help desk and reports issues with the keyboard. Upon inspection, the technician does not see any external damage but notices that many keystrokes da not register in a word processor. The laptop works fine when the technician tests it with an external keyboard. Which of the following actions would MOST likely resolve the issue?