宁波大学计算机网络习题集

1.Incommunicationlinks,transmissionratemeans：A、BandwidthB、propagationspeedC、processspeedD、routerdelays正确答案：A2.AllcommunicationactivitiesinInternetaregovernedby:A、ProtocolsB、WebMasterC、ClientD、ChinaTelecom正确答案：A3.Thecenterofinternetstructureis:A、Tier-1ISPsB、LocalISPsC、RootDNSD、NAP正确答案：A4.Whencongestoccurinnetwork,whichdelaybecomelarge?A、propagationdelayB、queuingdelayC、transmissiondelayD、processingdelay正确答案：B5.Theinternetprotocolsnotdefine：A、orderofmessagesB、actionstakenC、formatD、price正确答案：D6.Theinternetprotocolsnotdefine：A、actionstakenB、orderofmessagesC、hackerD、format正确答案：C7.WhichisnotthetypesofprotocoldataunitinTCP/IP?A、frameB、datetimeC、segmentD、message正确答案：B8.Whichisnotaconnectedendsystemdeviceintheinternet?A、MobilePhoneB、PCserverC、PCworkstationD、Router正确答案：D9.Allcommunicationactivitiesinnetworkaregovernedby:A、ProtocolsB、ServersC、GovernmentD、Clients正确答案：A10.ForQueueingdelay,inwhichstate,averagequeuingdelaysmall:A、La/R=0.1B、La/R=0.9C、La/R1D、La/R10正确答案：A1应用层中的数据块常被称为:A、比特流B、帧C、分组D、消息正确答案：D2在TCP/IP层次协议中，传输层向应用层提供的接口是哪一个?A、PutB、PortC、SocksD、Socket正确答案：D3下列哪一组协议属于应用层协议？A、ICMP,RARP,ARPB、FTP,SMIP,TELNETC、ARP,IP,UDPD、IP,TCP,UDP正确答案：B4在互联网WEB应用中以下哪一项扮演了控制角色?A、HTML语言B、Web客户端C、HTTP协议D、Web服务器正确答案：C5下面哪一个特征是HTTP协议所不具备的:A、面向对象B、客服机/服务器C、无连接D、无状态正确答案：C6IE8.0浏览器默认使用的超文本传输协议是哪一个版本?A、WEB2.0B、HTTP1.0C、HTTP1.1D、HTTP2.0正确答案：C7在HTTP协议中，每一个对象的地址都可以标识为：A、UDPB、UMLC、UTPD、URL正确答案：D8HTTP需要浏览器在每一个请求中递交认证信息，这是因为HTTP协议的哪一个特性？A、面向连接B、无连接C、分布式D、无状态正确答案：D9在互联网WEB应用中连接由以下哪一方发起?A、HTML语言B、Web客户端C、HTTP协议D、Web服务器正确答案：B10Processesrunningindifferenthostscommunicatewithan:A、slottedALOHAprotocolB、InternetroutingprotocolC、application-layerprotocolD、interprocesscommunication正确答案：C1WhatisthedefaultpersistentmodelinHTTP/1.1:A、NonpersistentwithpipeliningB、PersistentwithpipeliningC、PersistentwithoutpipeliningD、NonpersistentHTTP正确答案：B2Whichversionofhypertexttransferprotocolareusedindefaultmodenow?A、WEB2.0B、HTTP1.0C、HTTP1.1D、HTTP0.9正确答案：C3TheHttpserverworksonwhichport:A、TCPportabove65535B、UDP80C、TCPportabove1024D、TCP80正确答案：D4HTTPmessages(application-layerprotocolmessages)exchangedbetweenbrowser(HTTPclient)andWebserver(HTTPserver)with:A、IGMPB、ICMPC、UDPD、TCP正确答案：D5TheHttpclientworksonwhichport:A、TCPportabove65535B、UDP80C、TCPportabove1024D、TCP80正确答案：C6ToindicatesendofmessageinHttp,wecanuse:A、/bodyB、/htmlC、\ln\lf.\ln\lfD、\ln\lf正确答案：D7WhichconnectionscanbeusedbyHTTP/1.1indefaultmode?A、p2pconnectionsB、udpconnectionsC、non-persistentconnectionsD、persistentconnections正确答案：D8、WEBpagesB、RelationalDatabaseC、DistributedhypertexthypermediaD、Yellowpages正确答案：A9Httpservermaintainsnoinformationaboutpastclientrequests,Protocolsthatmaintain“state”are：A、SimpleB、ComplexC、SecurityD、Easy正确答案：B10Ifyouaredownloadingawebpagewithmultipleobjectsinit,whichofthefollowingisthemostefficientway？A、NonepersistentHTTPB、PersistentHTTPwithpipelineC、PersistentHTTPwithoutpipelineD、Noneoftheabove正确答案：B1Whatisnotcommunicationservicesprovidedtoappsinnetwork:A、connectionlessB、connection-orientedC、object-orientedD、TransmissionControlProtocol正确答案：C2Howisdatatransferredthroughnet,whatiswrong？A、statisticalmultiplexingB、disktodiskcopyC、packet-switchingD、circuitswitching正确答案：B3Inwhichnetwork,propagationdelaymaybegreaterthenqueuingdelay:A、FiberNetworkB、WireLANC、SatelliteNetworkD、WIFINetwork正确答案：C4Whichisnotanetworkcommunicationlinks?A、FiberB、CopperC、SubwayD、Radio正确答案：C5Packet-switchednetwork'sgoalismovingpacketsthroughroutersfromsourcetodestinationvia:A、forwardB、storeC、dropD、replay正确答案：A6WhichPhysicalMediahaslowerrorrate?A、TwistedPairB、CoaxialcableC、FiberopticcableD、radio正确答案：C7Today’sInternetnotuseA、TCP/IPB、statisticalmultiplexingC、CircuitswitchingD、Packet-switchi正确答案：C8whichisnotCerfandKahn'sinternetworkingprinciples?A、minimalism,autonomyB、besteffortservicemodelC、statelessroutersD、centralizedcontrol正确答案：D9包交换中丢失的包去哪了？A、缓存在路由器B、在传输媒体上飞C、在上一个路由器D、彻底消失了正确答案：D10包交换中丢失的包会阻塞网络吗？A、会B、不会C、不确定D、真不知道正确答案：B1TheStatuscodeforrequestsucceededandrequestedobjectlaterinthismessageis:A、301MovedPermanentlyB、200OKC、400BadRequestD、404NotFound正确答案：B2WhichiswronginthefollowingstatementaboutClient-serverarchicture:A、clientscommunicatewithserverB、clientsmayhavedynamicIPaddressesC、clientsisalways-onhostD、clientsdonotcommunicatedirectlywitheachother正确答案：C3HTTPresponsestatuscodesofrequesteddocumentnotfoundonserver,is:A、404B、500C、400D、304正确答案：A4WhichmothedtypeisnotprovidedinHTTP/1.0：A、HEADB、PUTC、POSTD、GET正确答案：B5IntheWebClient/Serverworkenvironment,whoplayacontrolrole?A、HTMLLanguageB、WebClientC、HTTPProtocolD、WebServer正确答案：C6IfeverypageofthesiteneedUser-serverauthorization,wecanuse:A、NonpersistentHTTPB、PersistentHTTPC、ConditionalGET:client-sidecachingD、Cookies:keeping“state”正确答案：D7Webpageconsistsof()whichincludesseveralreferencedobjects：A、baseHTML-fileB、homeHTML-fileC、hostHTML-fileD、referencedHTML-file正确答案：A8Webservermaintainsnoinformationaboutpastclientrequests,soHTTPis:A、unsatisfiedB、satisfiedC、statelessD、stateful正确答案：C9WhichisnotbasedonwebCaching?A、OfflineBrowseB、NATC、CDNSD、PROXY正确答案：B10InClient-