url’s anatomy 1.02 understand how to validate, authenticate, and legally use information from the...
TRANSCRIPT
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
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 3
What do you know about theUniform Resource Locator (URL)?
http://www.dpi.state.nc.us/directory/staff.html
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
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 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
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 6
Suffixes/Extensions
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
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 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. Slide 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
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EXAMPLE
Poll: An example of a protocol is?
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 12
What do you know about theUniform Resource Locator (URL)?
http://www.dpi.state.nc.us/directory/staff.html
Protocol
Server/Host Name Country code
Extension
Page/Document/Filename
Directory/folder
Domain Name
Poll: A domain includes name of server and a s...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 14
What do you know about theUniform Resource Locator (URL)?
http://www.dpi.state.nc.us/directory/staff.html
Protocol
Server/Host Name Country code
Extension
Page/Document/Filename
Directory/folder
Domain Name
Poll: Protocol determines how the file is tran...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 16
URL’s Anatomy
TRUE
Protocol determines how the file will be transferred (in whole or in part).
– Examples: http and ftp
Poll: A URL suffix of .com means it is what ki...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 18
Suffixes/Extensions
Types of servers:
.com – commercial
Poll: A URL suffix of .org means it is what ki...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 20
Suffixes/Extensions
Types of servers:
.org - organizational
Poll: An example of a URL suffix from another ...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 22
Suffixes/Extensions
TRUE
Country and State codes:
.uk – United Kingdom
Poll: URL's can contain directories and filena...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 24
What do you know about theUniform Resource Locator (URL)?
http://www.dpi.state.nc.us/directory/staff.html
Protocol
Server/Host Name Country code
Extension
Page/Document/Filename
Directory/folder
Domain Name
Poll: URL's cannot contain wildcards such as a...
1.02 Understand how to validate, authenticate, and legally use information from the Internet. Slide 26
URL’S Appendages FALSE
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 28
What do you know about theUniform Resource Locator (URL)?
http://www.dpi.state.nc.us/directory/staff.html
Protocol
Server/Host Name Country code
Extension
Page/Document/Filename
Directory/folder
Domain Name