3.2 The Internet
(classification of network) (internet service) (network architecture) (network topology) (internet overview)
The
Internet:
1.
A worldwide collection of networks that links millions of businesses,
government agencies, educational institutions, and individuals
Intranet
Is a network that belongs to an enterprise and is a accessibe only by that enterprise's employees or authorized users.
Extranet
Is a network that belongs to an enterprise and is a accessibe only by that enterprise's employees or authorized users.
Extranet
An intranet that is at least partially accessible to authorized outsiders (suppliers,customers and business partners)
ntranet
tnetet