, .
- LAN (Local Area Network) - , , , , . .. , .
- MAN (Metropolitan Area Network) - . - - , - . , , .
- WAN (Wide Area Network) - (, ) , , LAN MAN .
, , .
, , .
.
- -, - .
- -.
, , / ( , , . .).
(, ) , ().
.
, , . , , , , .
Ethernet Token Ring. , , .
-
:
.
.
, . / , - .
- , () ().
:
: Windows Server, FreeBSD, Linux .
:
TCP/IP.
WWW, .