URLs Anatomy

1
URLs 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?
• Several criteria are used to validate the
  authenticity of a web page and the first
  criterion we will discuss is the URL.

3
What do you know about theUniform Resource
Locator (URL)?
http//www.dpi.state.nc.us/directory/staff.html
4
URLs Anatomy

• Protocol determines how the file 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.

5
Know your suffixes/extensions

• Do you know what these suffixes indicate?
• .com
• .edu
• .gov
• .org
• .net
• .mil

• What about these?
• .uk
• .au
• .ca
• .de

6
URLs 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.

7
URLS 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 some type of calculation before
  returning the results

8
The End