Palo Alto Networks Cybersecurity Entry-Level Technician (PCCET) — Question 126

Which type of malware replicates itself to spread rapidly through a computer network?

Answer options

• A. ransomware
• B. Trojan horse
• C. virus
• D. worm

Correct answer: D

Explanation

The correct answer is D, worm, as it is specifically designed to replicate itself and spread across networks without user intervention. Ransomware (A) encrypts files for ransom, Trojan horse (B) disguises itself as legitimate software, and virus (C) attaches itself to files but requires a host to spread, unlike worms.