What is the primary function of a Firewall in networking?

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A To increase internet speed
B To protect a network by filtering incoming/outgoing traffic
C To remove viruses from a computer
D To provide backup storage

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Answer: B. To protect a network by filtering incoming/outgoing traffic

A firewall blocks unauthorized access to or from a private network, acting as a security barrier.

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What is the primary function of a Firewall in networking?

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