Transcript 1.02-URL`s-Anatomy

URL’s Anatomy
1.02 Understand how to validate,
authenticate, and legally use
information from the Internet.
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.
What do you know about the
Uniform Resource Locator (URL)?
Protocol
Extension
Directory/folder
http://www.dpi.state.nc.us/directory/staff.html
Server/Host Name
Country
code
Page/Document/
Filename
Domain
Name
1.02 Understand how to validate, authenticate, and legally use information from the Internet.
Slide 3
URL’s 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.
1.02 Understand how to validate, authenticate, and legally use information from the Internet.
Slide 4
Know your suffixes/extensions

Do you know what
these suffixes indicate?



.com
.edu
.gov

.org

.net

.mil

What about these?

.uk

.au

.ca

.de
1.02 Understand how to validate, authenticate, and legally use information from the Internet.
Slide 5
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.
Slide 6
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 some type of calculation before
returning the results
1.02 Understand how to validate, authenticate, and legally use information from the Internet.
Slide 7
The End
1.02 Understand how to validate, authenticate, and legally use information from the Internet.
Slide 8