NETWORK COMMUNICATION TECHNOLOGY

NETWORK COMMUNICATION TECHNOLOGY

1. CHAPTER 3: COMPUTER
NETWORKS AND
COMMUNICATIONS

2. At the end of the lesson, student should
be able to:
State the types of network communication
technology:
i)Intranet
ii)Extranet
iii)Internet
Define the types of network communication
technology:
i)Intranet
ii)Extranet
iii)Internet

3. The Types of Network Communication
Technology

4. Intranet
Communication
Technology
Explanation
Intranet
 an intranet is a private network within an organization that
resembles the internet.
 organizations use intranets to provide information to their
employees.
 typical applications include electronic telephone directories, email
addresses, employee information, internal job openings and much
more.

5. Extranet
Communication
Technology
Explanation
Extranet
 is a private network that connects more than one organizations
 many organizations use the internet technologies to allow
suppliers, customers and business partner limited access to their
network
 the purpose is to increase efficiency and reduce costs

6. Internet
Communication
Technology
Explanation
Internet
 is a public network
 it is worldwide collection of networks that links million of business,
government agencies, educational institution and individuals.
 internet users can access service like web browsing, email, file
transfer, mailing list, chat rooms, instant messaging and newsgroups.

7. The differences between Intranet,
Extranet and Internet
Differences Intranet Extranet Internet
Used for Private Private Public
Types of usersProvide information
for organization
employees
Provide information
to suppliers,
customers and
business partner
Provide information
for public
Usages Telephone
directories, internal
job opening,
employee
information
Access data, check
status, place orders,
send email
Access all kinds of
information
Security High Use virtual private
network (VPN)
technology to
communication over
the internet more
secure
Loose