Glossary
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repeater
Adevicethatconnectstwosectionsofa networkand conveys signalsbetween
themwithoutmaking routing decisionsorfiltering packets.
router
Adevicethatconnectstwo ormoresectionsofa networkand allowsinformation
toflowbetween them.Arouterexamineseverypacketitreceivesand decides
whetherto block the packet fromthe restof the networkortransmitit. The router
will attempt tosend the packet through the networkbythe mostefficientpath.
server
Provides servicestoclients.Thisterm mayalsorefertothe computeron which
the serviceisbased.
socket
The association ofa portwithanIPaddress,serving asan identification ofsender
or recipient.
stack
The softwarecode whichimplementsthe protocolbeing used. Inthe case of the
NOEmodulesitisTCP/IP.
STP
Shielded TwistedPair.Atype ofcabling consisting ofseveralstrandsofwire
surrounded byfoil shielding, twisted together.
subnet
AphysicalorlogicalnetworkwithinanIPnetwork,whichsharesa network
address with otherportionsof the network.
subnetmask
Used toindicatewhich bitsinanIPaddress identifyasubnet.
switch
Anetworkdevicewhichconnectstwo ormoreseparate network segmentsand
allowstraffictobe passed between them.Aswitch determineswhetheraframe
should be blocked ortransmitted based on itsdestination address.
TCP
TransmissionControlProtocol.
TCP/IP
Aprotocolsuiteconsisting of the TransmissionControlProtocoland the Internet
Protocol; the suite ofcommunicationsprotocolson whichthe Internetisbased.