JKSSB Mock Tests

What does a firewall primarily do to protect a network?

A. Monitors and controls incoming and outgoing network traffic based on predetermined security rules
B. Scans and removes malware from email attachments
C. Encrypts all data transmitted over the network
D. Authenticates users using biometric data
Answer: Option A
Solution (By JKSSB Mock Tests Team)
A firewall acts as a barrier between trusted internal networks and untrusted external networks, filtering packets based on security policies.
This Question Belongs to: Computer mcqs Computer set 1

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