How many protocols are typically used when one computer communicates with another over a network?
a. none
b. always eighteen
c. several
d. only http

i guess the correct option is letter a.

use contrasting font sizes, but the same font style

cyberstalking on the internet means to harass or stalk someone, a group, or an organization. this may include defamation, slander, and false accusations. in many jurisdictions, cyberstalking is a criminal offense. 

on the other hand, cyberbullying focuses more on intimidating, threatening or harassing someone. harmful bullying include posting threats, rumors, and sexual remarks.