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Glossary
Glossary
81
in the subnet address. Refer to Installing and
Administering LAN/9000 Software for detailed
information about subnet masks.
Switch: A network interconnection device that
allows multiple connected senders and receivers to
communicate simultaneously in contrast to a hub
(repeater) where only one device can send at a time.
Some switches have fixed port speeds (10 or 100
Mbps) while others allow port speeds to be
configured or autonegotiated.
T
Topology: The physical and logical geometry
governing placement of nodes in a computer
network. Also, the layout of the transmission
medium for a network.
U
Unshielded Twisted Pair: A data cable type
consisting of pairs of wires twisted together without
an electrically shielding jacket.
UTP: See Unshielded Twisted Pair