A Debit Card Is Secure Because It Requires Two Credentials

question 28

Multiple Choice

A debit card is secure because it requires two credentials for authentication-the card itself and a PIN.This is called ________.

• A) segmentation
• B) redundancy
• C) two-factor authentication
• D) none of the above

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Definitions:

Production Function

A mathematical representation of the relationship between inputs (like labor, capital) used in production and the output of goods and services that results from those inputs.

Fixed Costs

Fixed costs are expenses that do not change with the level of production or business activity.

Average-Fixed-Cost Curve

A graphical representation showing how the average fixed costs of production decrease as output increases, due to spreading fixed costs over a larger number of units.

Total-Cost Curve

A graph that shows the total cost of producing different quantities of a good or service.