Intranets are distinguished from the Internet by what feature?
　　a. Intranets provide read only information that is not downloadable.
　　b. Intranets do not allow access to the Internet.
　　c. The Internet allows general access while intranets allow only private access specified by the intranet sponsor.
　　d. Only Internet users can "surf" for information.
　　Explanation
　　Choice "c" is correct. The Internet is a public information highway while an intranet is a privately sponsored form of electronic communication normally used for organizational communications.
　　Choice "b" is incorrect. Intranets frequently allow for access to the Internet. Security measures are often provided to ensure that Internet users cannot access the sponsoring organization's intranet.
　　Choice "a" is incorrect. Intranets can provide information that can be downloaded or otherwise be handled as interactively as the data retrieved from the Internet.
　　Choice "d" is incorrect. Intranets have many of the same surfing and data collection features common to the Internet.