A User Only Needs a Password in Order to Log

question 29

True/False

A user only needs a password in order to log on to a UNIX system.

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Definitions:

Market Failure

A situation in which the allocation of goods and services by a free market is not efficient, often leading to a net social welfare loss.

Nonexcludable

A characteristic of a good or service that prevents individuals who have not paid for it from being easily excluded from its use or benefit.

Nonrival

A characteristic of a good or service where one person's use does not diminish its availability to others.

Marginal Cost

The increase in total production cost that arises from producing one additional unit of a good or service.