Multiple choice

Firewalls are used to protect against

  1. unauthorised attacks

  2. virus attacks

  3. data driven attacks

  4. fire attacks

  5. all of these
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A Correct answer
Explanation

Firewalls are network security devices that monitor and control incoming and outgoing network traffic based on predetermined security rules. Their primary function is to protect against unauthorized access attempts and malicious network intrusions, not specifically viruses or data-driven attacks.

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