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Decoding URLs: Validating and Authenticating Web Information

Learn how to validate, authenticate, and legally use information from the Internet by understanding URL components, suffixes, and extensions. Discover the anatomy of URLs for accurate information retrieval.

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Decoding URLs: Validating and Authenticating Web Information

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  1. URL’s Anatomy 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

  2. Finding information is easy ….but How can you validate information obtained from the Internet and determine if it is authentic? Two measures of web page validity are the URL and the content. This presentation discusses the URL

  3. Directory/folder Extension Page/Document/ Filename Server/Host Name Country code Protocol Domain Name What do you know about theUniform Resource Locator (URL)? http://www.dpi.state.nc.us/directory/staff.html 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

  4. URL’s Anatomy • Protocol determines how the file will be transferred (in whole or in part). • Examples: http and ftp • Domain name includes the name of the server where the information is stored and a suffix (also called an extension) which indicates the type and location of the server. 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

  5. Do you know what these suffixes indicate? .com .edu .gov .org .net .mil What about these? .uk .au .ca .de Know your suffixes/extensions 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

  6. Types of servers: .com – commercial .edu - educational .gov - government .org - organizational .net - network .mil - military Country and State codes: .uk – United Kingdom .au - Australia .ca - California .de - Delaware Suffixes/Extensions 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

  7. URL’s Anatomy (Continued) • A directory tells the computer specifically where to look for the requested information on the file server. • A filename tells which specific document or program should be retrieved from the directory. 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

  8. URL’S Appendages • Other parts of an URL may include • ~ (tilde) indicates a personal web page • .exe or .hqx indicates an executable program • = (equals) indicates a specific document or program • Question mark (?) indicates that the web server will perform a query 1.02 Understand how to validate, authenticate, and legally use information from the Internet.

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