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:
A firewall serves as a critical security barrier between an internal network and external sources like the internet. Its primary purpose is to filter network traffic based on predefined security rules, allowing legitimate data to pass through while blocking unauthorized access or malicious activities. By inspecting packets of data as they attempt to enter or leave the system, a firewall effectively prevents hackers and certain types of cyber threats from compromising the network's integrity.
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