In programming, named computer memory locations are called ____because they hold values that might vary.

________ are programs that are installed on your computer without your knowledge, often when you download what appears to be a legitimate program, and can interfere with the functioning of your computer

Fill in the blank(s) with correct word

Joe a system administrator receives reports that users attempting to reach the corporate website are arriving at an unfamiliar website instead. An investigation by a forensic analyst found that the name server log has several corporate IP addresses that were changed using Joe's credentials. Which of the following is this attack called?

A. Xmas attack B. DNS poisoning C. Web server attack D. Spoofing attack