Answer:
B. Firewall
Explanation:
Firewall, just like encryption prevents unauthorized entry into a computer. However, Firewall can be implemented in both hardware or software form; or even a combination of both.
I would go C because that way it gets her prepared to answer any techie questions they would have for her and would make her a better option.
Explanation: Well the first one was Plankalkül, but it wasn't implemented untill 1998. But the first to be actually used was Short Code.
Based on the above, the type of security is illustrated in this example is known as data security.
<h3>What is Data security?</h3>
This is known to be the act of keeping safe data from unauthorized access and its corruption in all of its lifecycle.
Note that in the case above, the intruder is interested in the companies data and as such, the type of security is illustrated in this example is known as data security.
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