
Chapter 2: What Is a Computer Network?
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of electronic web storefronts. Encryption and other security features have made it
possible to operate these online storefronts to buy and sell services and products
securely. Increasingly, a presence on the web is as critical to doing business as
being connected to the telephone network.
E-mail, file sharing between systems, and remote use of systems (Telnet) are
examples of the kinds of Internet-based services that have been enabled for use by
businesses (as well as by the original Internet users, the academic community).
With Internet connections, business professionals gain access to needed
information; collaborate ...