What is the primary function of a firewall tool in a computer network?
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A.
To speed up internet connections
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B.
To monitor and control incoming and outgoing network traffic
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C.
To store data securely
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D.
To detect and remove viruses
Correct Answer:
B. To monitor and control incoming and outgoing network traffic
Explanation:
The correct answer is To monitor and control incoming and outgoing network traffic.
A firewall acts as a security barrier between a private internal network and the public internet. Its primary purpose is to filter network traffic based on a defined set of security rules, allowing legitimate data to pass through while blocking unauthorized access or potentially harmful communication. By inspecting data packets as they enter or leave the system, a firewall prevents cyber threats and unauthorized users from compromising the network's integrity. While it works alongside antivirus software, its specific role is traffic management and perimeter defense rather than system-wide virus scanning or increasing connection speeds.
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