It's true that a security device should be installed. The security device to be installed between a computer network and the internet is: A Firewall.
<h3>What is a firewall?</h3>
A firewall refers to a hardware or software which is like a gatekeeper that helps to protect internal networks. It monitors incoming and outgoing traffic.
Thus, we see that firewall is the security device that should be installed.
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Answer:
we need to do some research so we know how many people get bully so we can stop the bully and we know how to help if they needed. (:
Explanation:
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