What is the primary function of a firewall in a computer network ?

2025

What is the primary function of a firewall in a computer network ?

Answer: B. To block unauthorized access and trafficA firewall acts as a security barrier between trusted internal networks and untrusted external networks. It monitors incoming and outgoing traffic based on…

  1. A.

    To prevent data encryption

  2. B.

    To block unauthorized access and traffic

  3. C.

    To increase data speed

  4. D.

    To create secure passwords

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Correct answer: B

A firewall acts as a security barrier between trusted internal networks and untrusted external networks. It monitors incoming and outgoing traffic based on predetermined security rules to block unauthorized access.

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