INTERNET
It
is the largest network in the world that connects hundreds of thousands of
individual networks all over the world.
The
popular term for the Internet is the “information highway”.
INTRANET
Internal company network that uses
Internet standards (HTML, HTTP & TCP/IP protocols) & software.
Accessed only by authorized persons,
especially members or employees of the organization
Two
levels of Security required:
•Internal
It can be imposed by Public Key Security & Encryption Key.
•External
Through Firewall.
EXTRANET
Extranet
is an Intranet for outside authorized users using same internet technology.
Inter-organizational
information system.
enable
outsiders to work together with company’s employees.
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