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CCENT/CCNA ICND1 100-101 Official Cert Guide by Wendell Odom

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The World Wide Web, HTTP, and SSL

The World Wide Web (WWW) consists of all the Internet-connected web servers in the world, plus all Internet-connected hosts with web browsers. Web servers, which consist of web server software running on a computer, store information (in the form of web pages) that might be useful to different people. A web browser, which is software installed on an end user’s computer, provide the means to connect to a web server and display the web pages stored on the web server.

Note

Although most people use the term web browser, or simply browser, web browsers are also called web clients, because they obtain a service from a web server.

For this process to work, several specific application layer functions must occur. ...

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