What is the primary function of a computer firewall?
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A.
To prevent unauthorised access to a private network
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B.
To speed up internet connectivity
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C.
To detect and remove computer viruses
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D.
To store user passwords securely
Correct Answer:
A. To prevent unauthorised access to a private network
Explanation:
A computer firewall acts as a security barrier between a private internal network and the public internet. Its primary purpose is to monitor and control incoming and outgoing network traffic based on predetermined security rules, effectively blocking unauthorized access and protecting the system from external cyber threats. While it is a critical component of network security, it is distinct from antivirus software or tools designed for speed optimization and password storage.
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