[Solved] What is the primary function of a firewall?

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Q.	What is the primary function of a firewall?
A.	To encrypt sensitive data
B.	To control network traffic and block unauthorized access
C.	To store and manage user passwords
D.	To detect and remove viruses
Answer» B. To control network traffic and block unauthorized access
Explanation: Firewalls act as barriers between trusted networks and untrusted sources, filtering traffic to prevent unauthorized access.

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