To access parts of the screen that are otherwise hidden from view, use the ________

Malware is removed and a computer is rebooted. Later, the malware is found on the computer again. Which of the following would permanently solve this problem?

A. Login using a different account B. Install an Internet firewall C. Install an email spam filter D. Go back to a previous restore point

What does the file caching feature do for Windows operating systems?

What will be an ideal response?