The Database Environment
An extranet is which of the following?

The use of Internet protocols with limited access to company data by people within an organization.
The use of Internet protocols with unlimited access to company data by people within an organization.
The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.
The use of Internet protocols with limited access to company data by the company's customers and suppliers.

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The Database Environment
An enterprise data model is:

a graphical model that shows the high-level entities for an organization.
a non-graphical model that shows the all entities for an organization.
a graphical model that shows all entities for an organization.
a non-graphical model that shows the high-level entities for an organization.

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