Question

What is the primary purpose of a firewall in network security?

Q: Answer-What is the primary purpose of a firewall in network security?

Explanation A firewall acts as a barrier between a trusted internal network and untrusted external networks, monitoring and controlling network traffic based on predefined security rules.

A To encrypt data transmitted over the network

B To monitor and control incoming and outgoing network traffic

C To manage user authentication and authorization

D To detect and remove malware from the system

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