Q: What is the purpose of a firewall in computer security?

A Preventing physical damage to hardware
B Filtering and controlling network traffic
C Encrypting stored data
D Creating user accounts

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Answer: B

Explanation:

A firewall in computer security is designed to filter and control network traffic, allowing or blocking data packets based on predefined security rules. It helps protect the network from unauthorized access and potential threats.

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Q: What is the purpose of a firewall in computer security?

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