L1-8

Lesson1OverviewofComputerNetworks

Text8Protocols要點KeyPoints：標準和協議Common和commonSuite和stackInternet和internetOneofthesespecializedstandardsandagree-upwaysisknownasprotocols.TCP/IPistheprotocolsuitethatcontainsmultiplecommunicationprotocolssuchasTCP,IP,SMTP,FTP,DHCP,LDAP,PPP,Telnetandmanyothers.TCP/IPworkstogetheranditisthemostcommoncommunicationprotocolforLAN,WANandInternet.ThecommunicationsontheInternetarebasedontheIPaddress,whichisapartoftheTCP/IPstacks.NocomputersontheInternetorintheLAN/MAN/WANcancommunicatewithoutauniqueIPaddress.Internetworkisatypeofcomputernetworkthatconnectsthetwoormoredifferentnetworksviaacommonroutingtechnology,

usingrouters.Therearethreemaintypesofinternetworks,i.e.,Intranet,ExtranetandInternet.protocol禮儀，<正式>國際議定書，網絡協議，agreementsuite套房,（程序）組；一套產品Stack(整齊的）一堆；堆棧；protocolstack

協議棧標準和協議，common和common，suite和stackOneofthesespecializedstandardsandagree-upwaysisknownasprotocols.TCP/IPistheprotocolsuitethatcontainsmultiplecommunicationprotocolssuchasTCP,IP,SMTP,FTP,DHCP,LDAP,PPP,Telnetandmanyothers.TCP/IPworkstogetheranditisthemostcommoncommunicationprotocolforLAN,WANandInternet.ThecommunicationsontheInternetarebasedontheIPaddress,whichisapartoftheTCP/IPstacks.NocomputersontheInternetorintheLAN/MAN/WANcancommunicatewithoutauniqueIPaddress.Internetworkisatypeofcomputernetworkthatconnectsthetwoormoredifferentnetworksviaacommonroutingtechnologyusingrouters.Therearethreemaintypesofinternetworks,i.e.,Intranet,ExtranetandInternet.內聯網外聯網因特網互聯網Intranet和LAN的