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1、计算机网络必备基础知识Computernetworknecessarybasicknowledge,・TxtmylifehasAnoodles,alsohasBnoodles,yourlifehasSnoodles,alsohasBnoodles・Failureisnotterrible,thekeyistoseethesuccessofhismother・Today，scollegestudentsaretoolackinginquality!Comeoverandgetthewoolandcutit!Havethetimetole
2、arnFengShui,afterthedeathofagoodtomb,butalsomakeupforthelifetimecannotaffordtobuyagoodroomregret・BasicknowledgeofcomputernetworkToday,withthewidespreaduseofcomputersandthepopularityoftheInternet,moreandmoreunitsanddepartmentshavebeguntointroducethemanagementofcomputerne
3、tworks,thusrequiringmoreexcellentnetworkmanagement.Forafewyears,doyoualsohavetheambitiontobeanetworkadministrator?Beforeyoubecomeaqualifiednetworkadministrator,youmustfirstmakethefollowingtenquestionsclear・Ifyoudon'thavethebasicknowledgeofnetworkmanagement,howcanyounotf
4、illthisclass?Whatisacomputernetwork?Thisisthefirstmustsolveaproblem,absolutelyisthecoreconcept・Wearetalkingaboutthefactthattheuseofcomputernetwork,communicationequipmentandlinesindifferentlocations,thefunctionofindependentmultiplecomputersystemsinterconnectedbyfunctiona
5、lnetworksoftware(i・e.,networkcommunicationprotocol,informationexchangeandnetworkoperatingsystem)systemtoachieveresourcesharingandtransferofinformstioninthenetwork.Itsfunctionmainlydisplaysintwoaspects:oneistorealizethesharingofresources(includingthesharingofhardwarereso
6、urcesandsoftwareresources);twoistoexchangeinformationamongusers.Thecomputernetworkisnotonlytheallresourcesaredistributedinthenetworkthroughoutthecomputercanshareonline,andprovideapowerfulmeansofcommunicationandperfectservicefortheuser,whichisconvenientfortheuser・Fromthe
7、pointofviewofnetworkmanagement,toputitplainly,itistousetechnicalmeanstorealizetheinformationtransmissionbetweennetworksandprovideservicesforusersatthesametime・Whatarethepartsofacomputernetwork?Thecomputernetworkusuallyconsistsofthreeparts・Theyaretheresourcesubnet,thecom
8、municationsubnetandthecommunicationprotoco1.Responsibleforthedatacommunicationpartoftheso-calledcommunicationn
