Multiple choice

Which of these is a hardware or software based network security system?

  1. Firewall

  2. Virus

  3. Worm

  4. Trozan

  5. Spam
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A Correct answer
Explanation

a firewall is a software or hardware-based network security system that controls the incoming and outgoing network traffic by analyzing the data packets and determining whether they should be allowed through or not, based on a 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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