Which of the following is NOT a network security device? A. Ethernet cable B. Firewall C. Router D. Switch

it would be a. excessive network collisions or d. slow connectivity between devices those would be my answer.

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.

the answer is c . farah has completed a post-secondary education program and is now ready to begin working, without additional training, on her first day.