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计算机网络实验报告专业：计算机科学与技术年级：班级：姓名：学号：计算机科学学院HTTP协议分析1.IsyourbrowserrunningHTTPversion1.0or1.1?WhatversionofHTTPistheServerrunning?Answer：mybrowserrunningHTTPversionis1.1，asbelow：TheversionofHTTPistheserverrunningis1.1.2.Whatlanguages(ifany)doesyourbrowserindicatethatitcanaccepttotheServer?3.WhatistheIPaddressofyourcomputer?Ofthegaia.cs.umass.eduserver?4.Whatisthestatuscodereturnedfromtheservertoyourbrowser?5.WhenwastheHTMLfilethatyouareretrievinglastmodifiedattheserver?6.Howmanybytesofcontentarebeingreturnedtoyourbrowser?7.Byinspectingtherawdatainthepacketcontentwindow,doyouseeanyheaderswithinthedatathatarenotdisplayedinthepacket-listingwindow?Ifso,nameone.Answer:No,no.Asbelow,8.InspectthecontentsofthefirstHTTPGETrequestfromyourbrowsertotheserver.Doyouseean“IF-MODIFIED-SINCE”lineintheHTTPGET?Answer：No.9.Inspectthecontentsoftheserverresponse.Didtheserverexplicitlyreturnthecontentsofthefile?Howcanyoutell?10.NowinspectthecontentsofthesecondHTTPGETrequestfromyourbrowsertotheserver.Doyouseean“IF-MODIFIED-SINCE:”lineintheHTTPGET?Ifso,whatinformationfollowsthe“IF-MODIFIED-SINCE:”header?11.WhatistheHTTPstatuscodeandphrasereturnedfromtheserverinresponsetothissecondHTTPGET?Didtheserverexplicitlyreturnthecontentsofthefile?Explain.(1)(2)12.HowmanyHTTPGETrequestmessagesweresentbyyourbrowser?13.Howmanydata-containingTCPsegmentswereneededtocarrythesingleHTTPresponse?14.WhatisthestatuscodeandphraseassociatedwiththeresponsetotheHTTPGETrequest?15.ArethereanyHTTPstatuslinesinthetransmitteddataassociatedwithaTCP-induced“Continuation”?Answer:No.16.HowmanyHTTPGETrequestmessagesweresentbyyourbrowser?TowhichInternetaddressesweretheseGETrequestssent?17.Canyoutellwhetheryourbrowserdownloadedthetwoimagesserially,orwhethertheyweredownloadedfromthetwowebsitesinparallel?Explain.Answer:Theyareparallel,becausethebrowserarticlesentoutthefirstget,haven'tenoughtimetoobtainthecorrespondingp
