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Winn L. Rosch Hardware Bible, Sixth Edition by Winn L. Rosch

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Domain Name System

Although DHCP does a good job of hiding your own computer's IP address from you, it does nothing to make IP addresses manageable on the Web. So that you don't have to type into your browser the IP address of each computer you want to visit on the Web (you can if you want, by the way), the Web's creators developed the Domain Name System (DNS).

From your perspective, DNS works by assigning a structured name to every Web site, the familiar whatever-dot-com you use every day. In the language of the Internet, that dot-com is called the domain name of the Web site.

Most domain names take the form of a word, a period, and another few letters. Those letters after the period comprise the top-level domain, the primary organizing structure ...

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