Internet Terminology
Terms followed by an * are active links for additional information on the subject.
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Internet Terminology |
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E-commerce The purchasing of goods and services over the Internet. E-mail (electronic mail) A communication system that allows you to send text, files and/or graphical messages over the Internet. Encryption The translation of data into a secret code. Encryption is the most effective way to achieve data security. To read an encrypted file, you must have access to a secret key or password that enables you to decrypt it. Unencrypted data is called plain text; encrypted data is referred to as cipher text. Most e-commerce software applications utilize encryption technology. Ethernet A local-area network (LAN) protocol developed by Xerox Corporation in cooperation with DEC and Intel in 1976. Ethernet uses a bus or star topology and supports data transfer rates of 10 Mbps. It is one of the most widely implemented LAN standards. A newer version of Ethernet, called 100Base-T (or Fast Ethernet), supports data transfer rates of 100 Mbps. And the newest version, Gigabit Ethernet supports data rates of 1 gigabit (1,000 megabits) per second. Extranet An extranet is a private network that uses Internet protocols and public telecommunications lines. An extranet can be viewed as part of a company's intranet that is extended to users outside the company. The main purpose of an extranet is to share information with individuals or groups outside a company, such as suppliers, customers and partners. |
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