Cybersecurity

- Slammer is a type of virus, so A matches with IV.
- Microwave signals are uni directional, so B matches with II.
- Radiowaves are omni directional, so C matches with I.
- White hats refer to ethical hackers, so D matches with III.
Therefore, the correct answer is "A-IV, B-I, C-II, D-III."

Unsolicited commercial emails are commonly known as "Spam." These are often sent in bulk, without the recipient's consent, usually for advertising purposes. Malware, viruses, and spyware are different types of malicious software. Therefore, the correct answer is "Spam."

- Doxing is associated with Cyber bullying (A-IV).
- FOSS refers to software that grants the user substantial rights and freedom (B-III).
- A WORM is a program that replicates itself across a network (C-II).
- A TROJAN HORSE is a program designed to carry out malicious operations (D-I).
Therefore, the correct answer is "A-IV, B-III, C-II, D-I."