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Safety: Which of the following best describes the primary function of a firewall?
A
A firewall encrypts data to protect it from unauthorized access.
B
A firewall monitors and controls network traffic based on predefined security rules.
C
An antivirus program is a type of software that automatically updates itself and removes malware without user intervention.
D
A firewall provides real-time protection against viruses by scanning files as they are downloaded or uploaded.
E
Firewalls and antivirus programs are essentially the same; both serve to protect networks from external threats.
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