Computer Science for IGCSE & O level - The Internet And Its Uses (Section 10 - No. 7)
What is the purpose of a 'firewall'?
To improve website loading speeds.
To control network traffic by filtering it.
To translate domain names into IP addresses.
To store user browsing history.
Explanation
Firewalls control the flow of network traffic based on pre-defined rules, protecting a network from unauthorized access.
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