. - . . Ethernet (Fast Ethernet, Gigabit Ethernet) . Ethernet , . , , . . 100VG-AnyLan 100VG-AnyLAN () , ( ). Token Ring (High Speed Token Ring) Token Ring : . . , . . , , . , . , . , , , , . , , . , - , . , . , -- . , . , - . FDDI FDDI , . FDDI. . , . FDDI , Token Ring. SLIP PPP SLIP PPP -, - / , . Internet . SLIP . , . ( ) IP ( . ). . PPP ., . IP, .. PPP .