Answer:
Phishing
Explanation:
Phishing is one of the most common social engineering attacks in which the attacker disguises to be a trustworthy personnel in order to lure the victim or target into disclosing sensitive information such as passwords, credit card details and so on.
Phishing could be carried out via emails, telephones, or even text messages.
In this case, the attacker pretends to be an IT tech in order to get your computer configuration details which he can then use to carry out some other fraudulent acts.
Another example is in the case of someone receiving an email from their bank requesting that they need to update their records and need the person's password or credit card PIN.
Answer:
Increasing
Explanation:
Generally in economics, opportunity cost is the benefit that a person, a business, or an investor forgo or missed when he chooses one alternative instead of the other.
Under production, opportunity cost occurs when a producer sacrifice the production of one for the production of another good. Using good X and Y as examples, opportunity cost is measured by the number of units of good Y that the producer gives up in order to produce one or more units of good X.
In the question, the two products used are computers and DVD. The -15, -18 and -20 implies that producing an extra unit of computer by moving from point A to point B, point B to C, and point C to D, 15, 18 and 20 units of DVD respectively have to be given up.
Since 20 is greater than 18 and 18 is also greater than 15, it therefore implies as we produce more computers, the opportunity cost, which are the number of DVDs given up at each point, are increasing.
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Hope this helps!
This is an easy answer sure in the back of your mind u knew it was b good luck :).
