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Which of the following is a type of malware ?

  • A.Trojan horse
  • B.Encryption
  • C.Firewall
  • D.VPN

Answer: A

The malware is the Trojan horse.

A Trojan horse is malicious software disguised as something legitimate, such as a free game or a fake update. Once the user installs it, it carries out hidden actions such as stealing data, opening a backdoor or downloading other malware. Unlike a virus or worm, it does not replicate itself.

Encryption is a protection technique (even though ransomware misuses it). A firewall filters network traffic, and a VPN creates an encrypted tunnel over a public network. All three are security measures, not malware.

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