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To protect a network when it is connected to the Internet, you should use a:
To protect a network when it is connected to the Internet, you should use a:
A . Bridge
B . Firewall
C . Switch
D . Router
Answer: B
Explanation:
A firewall is software or hardware that checks information coming from the Internet or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings.
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