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      Question

      What is the primary purpose of a firewall in computer

      networks?
      A To enhance internet speed Correct Answer Incorrect Answer
      B To prevent unauthorized access Correct Answer Incorrect Answer
      C To store backup data Correct Answer Incorrect Answer
      D To monitor CPU usage Correct Answer Incorrect Answer

      Solution

      A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules, protecting a network from unauthorized access.

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