The Internet Extranets By the end of this lesson Know what an intranet extranet and the internet are Understand their differences and purposes Be able the describe the characteristics of intranets the internet and extranets ID: 516078
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Slide1
Intranets
The Internet
ExtranetsSlide2
By the end of this lesson...
Know what an intranet, extranet and the internet are.
Understand their differences and purposes.
Be able the describe the characteristics of intranets, the internet and extranets.Slide3
What is...
The Internet?Slide4
The Internet
Is a vast collection of interconnected computers for the main purpose of sharing data.
It uses the Transmission Control Protocol/Internet Protocol (TCP/IP) program to allow the exchange of data between devices.Slide5
Task 1
In a new word document create a table with the headings:
Name
Characteristics
Benefits
Limitations
Interesting Fact!
Insert a new row and under name add ‘The Internet’.
Use
http://www.teach-ict.com/as_a2_ict_new/ocr/A2_G063/333_networks_coms/intranet_extranet_internet/miniweb/index.htm
to complete the table about The Internet.Slide6
Challenge 1
Investigate the differences between IPv4 and IPv6 and the reasons for the change.Slide7
Challenge 2
Investigate how the storage of content in the cloud is both an advantage and a disadvantage.Slide8
Intranet
Is the internet on a small scale.
Used within an organisation and is configured so that the users must be authorised before they can make use of the facilities.
This usually means they need to provide some credentials e.g. Username and password.
If the organisation has a LAN then the Intranet will be accessible to all users in the LAN.Slide9
Task 2
Insert a row under ‘The Internet and add the name
‘Intranet
’.
Use
http://www.teach-ict.com/as_a2_ict_new/ocr/A2_G063/333_networks_coms/intranet_extranet_internet/miniweb/index.htm
to complete the table about ‘Intranet’.Slide10
Challenge 3
- Homework
You are the network manager for a small photographic studio that has ten employees. You have a LAN.
Identify the facilities the staff would require from the intranet.
For each facility, give examples how they could be used.Slide11
Extranet
Is a private network that is built on top of and uses the internet.
It is commonly used to access an organisation’s intranet.
it uses VPN technology to maintain security.
All the features of an intranet are available via an extranet, but with the added characteristic of remote access.Slide12
Task 3
Insert a row under ‘intranet and add the name
‘extranet
’.
Use
http://www.teach-ict.com/as_a2_ict_new/ocr/A2_G063/333_networks_coms/intranet_extranet_internet/miniweb/index.htm
to complete the table about ‘extranet’.Slide13
Venn Diagram
?Slide14
Knowledge Check
Describe two facilities of an intranet that can be accessed through the internet.
Compare the features of the internet and an intranet.
Describe the purpose of an extranet in a school.