CISCO模擬試題:CCNA 考試自測(cè)題 1A.SMTP1.TCP/23B.FTP2.TCP/25C.TFTP3.TCP/80D.Telnet4.TCP/21E.HTTP5.UDP/69F.DNS6.TCP/53WhichOSIreferencemodellayerdoesTelnetfunctionat(Telnet在哪一個(gè)OSI參考模型層運(yùn)作)？A.Transport下載B.NetworkC.SessionD.Application3)HowmanylayersdoestheTCP/IPprotocolsuitehave,comparedtotheOSIreferencemodel(和OSI參考模型相比，TCP/IP協(xié)議具有幾層)？A.TCPmodelhas4,OSImodelhas6B.TCPmodelhas7,OSImodelhas8C.TCPmodelhas4,OSImodelhas7D.TCPmodelhas7,OSImodelhas44)TheTCP/IPprotocol suite hasaformal session layer1thatincludesNetBIOS 、RPCsandTLIfunctions(TCP/IP 協(xié)議套件具有包含NetBIOS、RPC和TLI功能的一個(gè)正式的會(huì)話層 )。A.TrueB.False5)WhatisthefunctionofRPCs(RPC 的功能是什么)？A.TomovefilesfromremotePCstoalocalPCB.Tomake remote function calls transparent, sotheyappeartobelocalC.ToinitializeaprogramonaremotePCD.Tosendaprocedurethatislocaltoaremotenodeforprocessingelsewhere6)WhatdoesRPCstandfor(RPC 代表什么)？A.RemotepersonalcomputerB.Reserved-programmingcallC.Routed-procedurecallD.Remote-procedurecall7)WhatOSIreferencemodellayerdosocketsfunctionat(套接字在OSI參考模型的哪層運(yùn) 作)？A.ApplicationB.PresentationC.SessionD.TransportE.NetworkF.DatalinkG.Physical8)What function dosockets perform (套接字的功能是什么)？2A.Theymakeremotefunctionsappearlocal,transparenttotheuserB.TheytransferfilestoandfromremotenodesC.TheymakethetransportlayerindependentD.Theyallowmultipleapplicationstosharethesameconnectiontothenetwork9)WhatisWinSock( 什么是WinSock) ？A.AversionofsocketsfortheMicrosoftWindowsplatformB.SocketsonBSDUNIXC.AsessionlayerAPIcommonlyconsideredtobeitsownprotocolD.AnetworklayerserviceforMicrosoftWindows10)WhatdoesTLIdo(TLI 的作用是什么)？A.Itmakesremotefunctionsappearlocal,transparenttotheuserB.IttransfersfilestoandfromremotenodesC.ItmakesthetransportlayerindependentD.Itallowsmultipleapplicationstosharethesameconnectiontothenetwork311)WhatOSIlayerdoesNetBIOSfunctionat(NetBIOS 在OSI哪一層運(yùn)作)？A.ApplicationB.PresentationC.SessionD.Transport E.NetworkF.DataLinkG.Physical12)WhichprotocolscanNetBIOSbindto?(Selectallthatareapplicable.) (NETBIOS可以綁定在哪個(gè)協(xié)議上，選擇所有可能的協(xié)議)？A.AppletalkB.IPXC.IPD.NetBEUI13)WhatlayersdonotexistintheTCP/IPmodelthatareintheOSImodel( 哪層不在TCP/IP模型中，但它在 OSI模型中)？A.Application,presentation,andnetworkB.Presentation,session,anddatalinkC.Session,network,andphysicalD.Presentation,datalink,andphysical14)Whatisasocketinthetransportlayer( 傳輸層中的套接字是什么)？A.ThesocketisanIPaddressplusaportB.AnAPIthatmakesthetransportlayerindependentC.AnAPIthatallowsmultipleapplicationstoshareanetworkconnectionD.Afunctionthatmakesremoteproceduresappeartobe4local15)Whatisaport( 什么是端口)？A.AnAPIthatmakesthetransportlayerindependentB.AnAPIthatallowsmultipleapplicationstoshareanetworkconnectionC.AfunctionthatmakesremoteproceduresappeartobelocalD.Thepointwhereupper-layerprocessesaccesstransportlayerservicesWhichofthefollowingservicesusesaprocesscalledwindowing(下面的哪一個(gè)服務(wù)使用了所謂的窗口機(jī)制)？A.ReliabledatatransferB.Connection-orientedvirtualcircuitC.BufferedtransferResequencingMultiplexingEfficient,full-duplextransmissionFlowcontrol17)WhatisUDP( 什么是UDP)？A.AnAPIthatmakesthetransportlayerindependentB.Aconnectionless,unreliabletransportprotocol5C.AnAPIthatallowsmultipleapplicationstoshareanetworkconnectionD.Afunctionthatmakesremoteproceduresappeartobelocal18)WhatisIP( 什么是IP)？A.ItisthetransportmechanismforupperlayerservicesB.ItisthesessionlayerAPIformakingthetransportlayerindependentC.ItisthenetworklayerprotocolthatmovesdatafromonenodetoanotherD. It is the physical layer protocol for Internetconnections19)WhatisICMP( 什么是ICMP)？A.Itisanetwork layer protocol that handles controlmessagesB.ItisanetworklayerprotocolthatresolvesaddressesC.ItisasessionlayerAPIthatmakesremotep