A User Received an SMS on a Mobile Phone That

question 19

Multiple Choice

A user received an SMS on a mobile phone that asked for bank details. Which of the following social-engineering techniques was used in this case?

• A) SPIM
• B) Vishing
• C) Spear phishing
• D) Smishing

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Definitions:

Marginal Cost

The amount spent on producing an additional unit of a product or service.

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, allowing for competition based on quality, price, and branding.

Long-run Equilibrium

A state in which all firms in a competitive market are making just enough profit to stay in business, with no incentive to enter or leave the market.

MR = MC

A condition where a firm's marginal revenue (MR) equals its marginal cost (MC), commonly used to determine the profit-maximizing level of output.