Which of the following is NOT a program used by hackers to gain access to your computer?

More people worldwide have access to a cellphone than to a toilet.

Sending millions of emails in an attempt to obtain information to use to impersonate someone and steal money or goods is called  

Sony v. Universal City Studios (1983) ruled that private, non-commercial copying for personal use was fair use.

________ is a written defamation. 

Planting false Internet addresses in the tables on a Domain Name Server (DNS) so that when someone types a URL, they are re-directed to a bogus site is called 

Hacktivism is:

Can a person be found not guilty of murder via a defense of sleep walking?  Describe the case in the video in your answer. 

a.  Explain how you know that the function   has at most one zero.  b.  find a value for a that makes f(x) have exactly one zero.  c.  Find a value for a that makes f(x) have no zeros.

A Turing Test determines the strength of an encryption method.