D-Link DI-106 Series, Руководство пользователя

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Glossary 155
Category 3, 4, 5 Communication cabling standards referring to
the quality of the transmission medium and
whether or not the cable includes transmission
leakage shielding.
Collision
Simultaneous data transmission on a network
medium, resulting in a garbled (and
unreadable) transmission. See CSMA/CD.
Collision Domain A section of a network isolated from other
sections by a switch, bridge, or hub that
detects and resolves collisions locally so that
there is less impact on the entire network.
Community
Name
A part of an SNMP request, used as a
rudimentary form of password. An SNMP
agent may grant different levels of access to
requests with different community names.
Crossover Cable A type of twisted-pair cable in which the wires
at one end have been reversed in order to
match pinouts on a hub or switch.
CSMA/CD
Carrier Sense Multiple Access with Collision
Detection; a network communications
protocol in which each transmission source
(i.e., station, server, switch, etc.) monitors the
main data channel for traffic before and during
transmission, postponing transmission when
the data channel is in use.
Cut-through
Bridge forwarding method where each packet
with a valid address is passed on to the next