What Is the Most Secure Type of Authentication

question 155

Multiple Choice

What is the most secure type of authentication?

• A) Something the user knows such as a user ID and password
• B) Something the user has such as a smart card or token
• C) Something that is part of the user such as a fingerprint or voice signature
• D) A combination of all of these choices

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Definitions:

Quantity Sold

The number of units of a product or service that have been purchased by consumers over a specific period.

Perfect Price Discrimination

A pricing strategy where a seller charges the highest price that each consumer is willing to pay, effectively capturing all consumer surplus as profit.

Producer Surplus

The difference between what producers are willing to accept for a good versus what they actually receive, a measure of producers' benefit.

Marginal Cost

The change in total cost that arises when the quantity produced is incremented by one unit, essentially the cost of producing one additional unit of a good or service.