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Intranet
This is a private network, inside an organization or
company that uses the same software you will find on
the public Internet. The only difference is that an
Intranet is used for internal usage only.
Internet
The Internet is a globally linked system of computers
that are logically connected based on the Internet
Protocol (IP). The Internet provides different ways to
access private and public information worldwide.
Internet
address
To participate in Internet communications and on
Internet Protocol-
b
ased networks, a node must have an
Internet address that identifies it to the other nodes.
All Internet addresses are IP addresses
IP
Internet Protocol is the standard that describes the
layout of the basic unit of information on the Internet
(the packet) and also details the numerical addressing
format used to route the information. Your Internet
service provider controls the IP address of any device
it connects to the Internet. The IP addresses in your
network must conform to IP addressing rules. In
smaller LANs, most people will allow the DHCP
function of a router or gateway to assign the IP
addresses on internal networks.
IP address
IP address is a 32-
b
inary digit number that identifies
each sender or receiver of information that is sent in
p
ackets across the Internet. For example 80.80.80.69 is
an IP address, it is the closet thing the Internet has to
telephone numbers. When you “call” that number,
using any connection methods, you get connected to
the computer that “owns” that IP address.