计算机网络英文题库(附答案)chapter2.pdf

该【计算机网络英文题库(附答案)chapter2 】是由【1781111****】上传分享，文档一共【19】页，该文档可以免费在线阅读，需要了解更多关于【计算机网络英文题库(附答案)chapter2 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。:..计算机网络英文题库(附答案)chapter2本页仅作为文档封面,使用时可以删除Thisdocumentisforreferenceonly-:..,whichoneiscorrectAInC/Sarchitecture,,clienthasafixedwell-,,peerhasafixedwell-,theprocessthatmunicationislabeledasthe,,serverprocessBsendingprocess,receivingprocessCinputprocess,municatingprocess,,whichoneisaloss-tolerantapplicationAE-mailBfiletransferCinstantmessagingDreal-,whichoneisabandwidth-sensitiveapplicationAE-mailBwebapplicationCreal-’,whichoneusesUDPAE-mailBwebapplicationCfiletransferDDNS:..,whichoneisnotcorrectAHTTPusesnon--,5JEPGimagesandajavaapplet,andalsosupposeHTTPusespersistentconnectionwithoutpipelining,,iftherequestedHTTPprotocolversionisnotsupported,~5CACDC6~,:,thereare.:..,-of-,,SMTP,POP3BSMTP,POP3,IMAPCuseragent,SMTP,IMAPDuseragent,SMTP,,’,,,’sobjectsintoonemessage,-bitASCIIformat,andSMTPdoesn’timposethisrestriction.:..-ontent-transfer-encodingDMIMEversion11~BAB16~,,(Napster)BQueryFlooding(Gnutella)CExploitingHeterogeneity(p141),(p137)BQueryFloodingCExploitingHeterogeneityDIncentivePriorities:..,workACentralizedDirectoryBQueryFlooding(p139)-traveltimeBnext-hoptimeCround-triptimeDprefix-(withaWeb-basede-ount)sendsamessagetoB(esseshismailserverusingPOP3),whichapplication-,,--ASCIIformBtodeterminewhatactionsitshouldtakeonmessagebodyCtosendanE-,anizedashybridofC/SandP2ParchitectureAE-,whichisnotacentralizedDNSdesign’sproblem:..AasinglepointoffailureBtrafficvolumeCdistantcentralizeddatabaseDslow(maintenance),fromtheapplicationdeveloper’sperspective,,whichoneisnotincludedAtheclient-serverarchitectureBtheP2ParchitectureCahybridoftheclient-serverandP2ParchitectureDahybridoftheclient-serverandbrowser-,whichisnotcorrectAInC/Sarchitecture,thereisanalways-onhost,,thereisanalways-onhost,,well-knownaddress,.Aprocesssendsmessagesinto,andreceivesmessagesfrom,:..-,--persistentconnectionwithpipeliningBnon-,therequestlinehasthreefields,,theURLfieldandtheHTTPversionfieldBthemethod,theconnectionandURLfieldCtheuser-agent,themethodandHTTPversionfieldDtheuser-agent,,ifthefieldofConnectionisclose,:..,ifthestatuscodeis404,,’.-ModifiedBLast-ReferencedCIf-Modified-SinceDIf–Referenced-,-serverandbrowser-serverconnection:..,allowuserstoread,replyto,forward,-TypeandMIME-VersionBContent-TypeandContent-Transfer-EncodingCContent-Transfer-EncodingandMIME-VersionDMIME-VersionandMIME-,’smailservertotherecipient’suseragentBtransfermailfromthesender’smailservertotherecipient’smailserverCtranslatethemailfromthesender’smailserverDtranslatethemailintotherecipient’,,translationandtransactionBauthorization,translationandupdateCauthorization,transactionandupdateDtranslation,,whichonecannotprovidebyDNSAHostaliasingBMailserveraliasingCtranslatehostnametoIPaddressesDtranslateMACaddressestoIPaddresses:..ArootDNSserver,top-leveldomainDNSserverandlocalDNSserverBrootDNSserver,top-leveldomainDNSserverandauthoritativeDNSserverCrootDNSserver,localDNSserverandauthoritativeDNSserverDrootDNSserver,localDNSserverandtop-,whichoneisnotcorrectmands:List,-tuple,whichfieldcanbeignored(p132),=A,=MX,,whichoneisnotcorrectAThereareonlytwokindsofDNSmessage.(p133).:..,containsinformationaboutthequerythatisbeingmade.(p133)-sharingsystems,whichoneisnotincludep144)-sharing,whichoneisnotcorrectAP2Pfile----sharingsystemsnotonlyshareMP3s,butalsovideos,software,,specifiesthenameoftheSMTPserverthatsentthemessage(from),thenameoftheSMTPserverthatreceivedthemessage(by),-,,theentitybodyisemptywiththemethod,butisusedwiththemethod.:..BPOST,GETCGET,HEADDPOST,,iftheDate:header;:00:00GMT,theLast-Modified::00::30::00::30:,’sendsystemandmanagedbytheuser’-enddatabaseattheWebsi