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h level
1.02 Understand how=
to
validate, authenticate, and legally use information from the Internet.
Slide ‹#›=
1.02 URL's Anatomy
‹#›
![](3D"master04_image003.gif")
![3D"MCj0250=](3D"master04_image004.gif")
URL’s Anatomy
1.02 Understand how to validate=
, authenticate,
and legally use information from the Internet.
![3D"MCj02509220000[1]"](3D"slide0029_image006.gif")
Finding information is
easy ….but
<=
span
style=3D'font-size:114%'>l<=
span
style=3D'font-size:114%'>How can you validate information obtained from the Internet and determine if it is authentic?
<=
/div>
l <=
span
style=3D'font-size:114%'>Two measures of web page validity are the URL and the content.
<=
span
style=3D'font-size:114%'>l<=
span
style=3D'font-size:114%'>This presentation discusses the URL=
1.02 Understand how to validate, authenticate, and
legally use information from the Internet.
Slide 3
What do you know about the
Uniform = ResourceL ocator (URL)?
Uniform = Resource
![](3D"slide0024_image008.gif")
![](3D"slide0024_image009.gif")
![](3D"slide0024_image010.gif")
Protocol
=
Server/Host Name
Country code
Extension
Page/Document/
Filename
=
Directory/folder
=
Domain =
Name
1.02 Understand how to validate, authenticate, and
legally use information from the Internet.
Slide 4
URL’s Anatomy
![](3D"slide0005_image011.gif")
lProtocol
determines how the file will be transferred (in whole or=
in
part).
–Examples: http and ftp
l=
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 5
Know your suffixes/extensions
![](3D"slide0025_image012.gif")
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.com
§.edu
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.gov
§.org
§.net
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.mil
![](3D"slide0025_image013.gif")
lWhat about these?
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.uk
§.au
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.ca
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.de
1.02 Understand how to validate, authenticate, and
legally use information from the Internet.
Slide 6
Suffixes/Extensions
![](3D"slide0030_image014.gif")
<=
span
style=3D'font-size:120%'>l=
Types of servers:
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.52%;top:.3em;
font-family:Wingdings;font-size:75%'>§.com – commercial
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.52%;top:.3em;
font-family:Wingdings;font-size:75%'>§.edu - educational
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.52%;top:.3em;
font-family:Wingdings;font-size:75%'>§.gov - government
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.52%;top:.3em;
font-family:Wingdings;font-size:75%'>§.org - organizational=
3;
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.52%;top:.3em;
font-family:Wingdings;font-size:75%'>§.net - network
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.52%;top:.3em;
font-family:Wingdings;font-size:75%'>§.mil - military
![](3D"slide0030_image015.gif")
lCountry and
State codes:
§.uk – United Kingdom
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.au - Australia
§.ca - California
<=
span
style=3D'mso-special-format:bullet;position:absolute;left:-10.17%;top:.3em;
font-family:Wingdings;font-size:75%'>§.de - Delaware
1.02 Understand how to validate, authenticate, and
legally use information from the Internet.
Slide 7
URL’s Anatomy (Continued)
![](3D"slide0026_image016.gif")
lA dir=
ectory
tells the computer specifically where to look for the
requested information on the file server.
lA filename
tells which specific document or program should be retrie=
ved
from the directory.
1.02 Understand how to validate, authenticate, and
legally use information from the Internet.
Slide 8
![3D"MCSO029=](3D"slide0027_image018.gif")
<=
![endif]>URL’S Appendages
![](3D"slide0027_image019.gif")
lOther parts of an URL may include
§~ (tilde) indicates a personal web page
§.exe or .hqx indicates an executable program&#=
13;
§=3D (equals) indicates a specific document or =
program
<=
span
style=3D'visibility:hidden'>–
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1.02 URL's Anatomy
‹#›
1.02 URL's Anatomy
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1.02 URL's Anatomy
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1.02 URL's Anatomy
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1.02 URL's Anatomy
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The pro=
tocol determines
how the information will be transferred.&=
nbsp;
FTP is a =
two-way
system in which entire files are copied from the sending server or
device into the receiver’s computer.
HTTP is u=
sed to
transfer files from a Web server into a browser on a user’s computer=
in
order to view files from the Internet.
The dom=
ain name
is sort of like your zip + 4 code.
The domain=
name
includes the host server, a suffix, and sometimes a count=
ry code.
Examples =
of host
servers and their extensions:
Microsoft.com, ecu.edu, bls.gov, ncsecu.org, bidlink.net, and
http://www.nic.mil/
Examples =
of
country extensions include .uk, .au, .ca
The Intern=
et is a
huge global network of computer networks.=
The Web is a tool used to access information from the Internet. Browsers are used by the Web to t=
ransport
data from the Internet to the user.
FTP URLs l=
ink to
files on other servers, but not on the Web.
1.02 URL's Anatomy
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tes![](3D"buttons.gif")
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