Explanation & answer:
Four pair UTP (unshielded twisted pair) cables are common cables with RJ45 connectors. Most RJ45 connectors have a snap to lock the male connector in place.
ST and SC connectors are for fibre-optics.
5 Common Ethical Issues in the Workplace
Unethical Leadership.
Toxic Workplace Culture.
Discrimination and Harassment.
Unrealistic and Conflicting Goals.
Questionable Use of Company Technology.
A disk optimization program, but they're probably looking for defragmenting program.