[Solved] What is the role of a firewall in network security?

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Q.	What is the role of a firewall in network security?
A.	To encrypt data transmitted over the network
B.	To detect and remove viruses from network traffic
C.	To filter network traffic and block unauthorized access based on security rules
D.	To store and manage user passwords securely
Answer» C. To filter network traffic and block unauthorized access based on security rules
Explanation: Firewalls act as barriers between networks, controlling incoming and outgoing traffic based on predefined security rules. They filter traffic to prevent unauthorized access and protect the network.

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