What a user is allowed to do on a computer network would be addressed in:

Joe, a customer, calls a technician to report a remote computer is demonstrate erratic behavior while he is working on it.
The technician verifies the files and directories Joe is working on locally cannot be open in any application, and the computer is extremely slow.
Which of the following is the MOST likely cause of this issue?

A help desk technician needs to make administrative changes securely on a remote user's machine. The user must be logged off when the changes are made.
Which of the following tools would the technician MOST likely use?

A technician is trying to repair a computer that was infected with an encrypting virus. After disconnecting the system from the network, the technician images the computer. Upon startup, the system consistently presents a blue screen at the Windows logo. Which of the following should the technician perform NEXT to resolve the issue?

A user's Windows laptop has become consistently slower over time. The technician checks the CPU
utilization and sees that it varies between 95% and 100%. After the technician closes some running
applications, the CPU utilization drops to approximately 20%, and the laptop runs much faster. The next
day the same user calls again with the same problem. Which of the following is a tool the technician can
use to resolve the issue?