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Healthcare Information Technology Exam Guide for CompTIA Healthcare IT Technician and HIT Pro Certifications by Brian Gugerty, Kathleen McCormick

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The World Wide Web as an Example of a Network Application

The World Wide Web (WWW) is one of the most popular network applications in use today and is increasingly used for transmitting healthcare data. It is an example of a client-server architecture where the client is a web browser such as Firefox and the server is a web server running a program such as Apache. The presentation and descriptive markup language that is used to generate web pages is HyperText Markup Language (HTML). The protocol used by the client to request a web page and by the server to respond to that request is HyperText Transfer Protocol (HTTP). The addressing mechanism that is used to locate a web page is called a universal resource locator (URL).

HTTP is a textual protocol ...

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