Transcript URL 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?

Two measures of web page validity are
the URL and the content.

This presentation discusses 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 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
Suffixes/Extensions

Types of servers:

Country and State
codes:

.com – commercial

.edu - educational

.uk – United Kingdom

.gov - government

.au - Australia

.org - organizational

.ca - California

.net - network

.de - Delaware

.mil - military
1.02 Understand how to validate, authenticate, and legally use information from the Internet.
Slide 6
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 7
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.
Slide 8