Multiple choice

Which of the following is generally used to safeguard against malware attacks?

  1. Trojan

  2. Firewall

  3. Spyware

  4. Ransomware

  5. Adware
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A firewall is a software or hardware-based network security system that controls the incoming and outgoing network traffic based on applied rule set. A firewall establishes a barrier between a trusted, secure internal network and another network (e.g., the Internet) that is not assumed to be secure and trusted.

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