Computer Science for IGCSE & O level - The Internet And Its Uses (Section 8 - No. 20)
Which of the following is a characteristic of a 'firewall'?
It automatically stops all traffic entering a network.
It allows a user to set rules for network traffic.
It translates domain names into IP addresses.
It is always a hardware device.
Explanation
Firewalls allow customization of network traffic rules.
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