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?

A technician needs to remediate an infected computer.
Which of the following is the FIRST step the technician should take?

A technician is installing the Mac OS X operating system. The technician is prompted to select the filesystem. Which of the following filesystems should the technician utilize to install the listed operating system?

A user's computer was infected with malware, and a technician successfully removed the infection. However, the user reports certain web-based services are still inaccessible.
Which of the following should the technician perform FIRST to resolve the issue?

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