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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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