An administrator wants to search a file on a Linux server for the plus symbol (+). Which of the following will the administrator MOST likely use?

A home user reports slow computer performance and application crashes after clicking a "repair" button on a pop-up warning while browsing the Internet Which of the following are the FIRST steps a technician should take to identify and resolve the issue? (Select TWO).

A manager with a restricted user account receives the following error message:
Windows Update cannot currently check for updates because the service is not running.
The manager contacts the help desk to report the error. A technician remotely connects to the user's computer and identifies the problem.
Which of the following should the technician do NEXT?

A company recently experienced a security incident in which an unauthorized user was able to insert a USB flash drive into a kiosk, launch a non-native OS, and deliver malicious payloads across the network. Which of the following security measures would have been BEST to prevent the attack from being executed in the first place' (Select TWO)

A technician is PXE booting a computer.
Which of the following is the technician MOST likely performing on the computer?