Which of the Following Statements About Data Communication Networks Is

question 104

Multiple Choice

Which of the following statements about data communication networks is false?

• A)An intranet is a private network that's available only to employees.
• B)An extranet can be accessed by authorized parties outside the organization.
• C)The Internet is the portion of the World Wide Web that the public can use.
• D)Access to a network is controlled by a program called a firewall.

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Definitions:

Purely Competitive Economy

An idealized market structure where many firms sell identical products, entry and exit are easy, and no single buyer or seller can influence the market price.

Economic Profit

Sales minus explicit costs and implicit costs.

Competition

The rivalry among businesses to sell their goods and services to consumers, typically considered healthy for stimulating innovation and keeping prices competitive.

Natural Scarcity

Refers to the finite availability of resources that are limited by nature and cannot be replaced or regenerated quickly enough to meet the increasing demand.