大连交通大学-软件工程期末考试(第一套A卷)

教研室主任〔签字〕学院院长〔系主任〕〔签字〕大连交通大学试卷2007～2023学年第1学期课程Softwareengineering(软件工程)(A卷)〔2004年级〕课程性质〔□必修□专业限选□任选〕考试方式〔□闭卷□开卷〕得分一、Foreachquestion,therearefourchoicesmarkedA,B,C,D,choosethebestanswer.(each1point,total30point).1、Theaimofsoftwareengineeringistoproducesoftwarethatis:A.deliveredontimeB.deliveredwithinbudgetC.satisfiesusers'needsD.alloftheabove2、Moretimeandmoneyisspentinthe___________phasethananyotherphase.A.requirementsB.specificationC.maintenanceD.implementationandintegration3、Duringwhichphaseofthesoftwareprojectmanagementlifecycleshouldtestingoccur?A.integrationB.implementationC.maintenanceD.testingoccursduringeachphase.4、Inwhichofthefollowingcircumstancesmightthewaterfallsoftwarelife-cyclemodelbeanappropriateonetouse?A.large-scale,in-houseproductsB.forproductsutilizinganopenarchitectureandcomplexuser-interfaceC．largedocument-drivenprojectsrequiringadisciplinedapproachD.shortprogramsthatwillnotneedmaintenance5、AdisadvantageoftheIncrementalmodelisthat:A.clientsarenotbilleduntilthelastbuildiscompleted.B.themodelcaneasilydegenerateintothe'build-and-fix'approach.C.itisnoteasytoaccommodatechangesthatoccurduetoexternal(competitive,socialandregulatory)forces.D.Allofthesearedisadvantagesoftheincrementalmodel.6、Acommonfeature(s)ofobject-orientedlifecyclemodelsis/are:A.iterationB.parallelismC.incrementaldevelopmentD.alloftheabove7、Thedemocraticteamapproachisalsoknownas:A.theclean-roomapproachB.egolessprogrammingC.bottom-upimplementationD.synchronize-and-stabilizeteams题号一二三四五六七八九总分得分8、Intheclassicalchiefprogrammerteamapproach,theteammemberresponsibleforblackboxtestcasegenerationis:A.thechiefprogrammerB.theback-upprogrammerC.programmerD.theprogrammingsecretary9、Stepwiserefinementisaproblemsolvingtechniquethatunderliesmanysoftwareengineeringtechniques.Itcanbedefinedasameansto:A.specifytheproduct'sdesignupfrontinordertominimizeintegrationproblemsduringlaterphasesB.postponedecisionsondetailsuntilaslateaspossibleinordertobeabletoconcentrateontheimportantissuesC.decomposetheproblemintopiecesofequalimportanceD.reviewtheproject'sdeliverablessuchasspecificationdocumentsandcodebysteppingthroughthemduringreviewmeetings10、Atoolthatcanautomaticallymanagemultipleversionsisa(n):A.upperCASEtoolB.compilerC.configurationmanagementtoolD.structureeditor11、Insoftwareengineeringthetermqualityimplies:A.excellenceB.theextenttowhichtheproductsatisfiesitsspecificationC.therehavebeennofatalorotherwisecatastrophicconsequencesofitsoperationD.thatcomprehensivetestinghasnotrevealedthepresenceofanybugs12、WhyshouldtheSQAgroupbekeptunderseparatemanagementfromthedevelopmentteam(s)?A.toincreasetheemploymentprospectsoftheanalysts.B.todecreasethecostofmanaginglargeteamsC.tofacilitatetheprincipleofinformationhidingthatiscrucialtoobject-orientedsystemsD、duetoconflictsthatmayariseasproductiondeadlinesapproachwhilsttheproductstillhasseriousfaults.13、Thetwomaindesignstrategiesareknownasfunctionaldesignandobject-orientateddesign.Whichofthefollowingstatementsisfalse?A.Inanobject-orientateddesignthesystemstateisdecentralizedandeachobjectmanagesitsownstateinformation.B.Infunctionaldesignthesystemstateiscentralizedandstateinformationisaccessedbydifferentfunctions.C.themostappropriatedesignstrategyisselectedforeachstageofdesign,thereisnoneedtoadheretoasingleapproachduringthewholedesignprocess.D.thesamedesignapproachmustbeusedinthedesignofdifferentsystemcomponentstoensureconsistency,especiallyforlargesoftwaresystems.考生注意：考试时间120分钟试卷总分100分共5页第1页专业班级装订装订线姓名14、Adesignissaidtobeagooddesignifthecomponentsare:A.StronglycoupledandWeaklycohesiveB.StronglycoupledandstronglycohesiveC.StronglycohesiveandweaklycoupledD.Weaklycohesiveandweaklycoupled15、Whatis/arethemajordisadvantage(s)ofbasingtherequirementspecificationonaprototypemodel?A.Therapidprototypecannotstandasalegalstatementofacontractbetweenadeveloperandaclient.B.Creatingaworkingprototypetakesmoretimeandeffortthanformulatingwrittenspecifications.C.Theusersarenotabletounderstandthemtothesameextentthattheyareabletocomprehendwrittenspecifications.D.allofthesearedisadvantages16、Usingthestructuredsystemsapproachforspecificationanddesigntheemphasisison:A.Real-TimesystemsB.actionsC.dataD.objects17、Usingstructuredsystemsanalysis,thelogicoftheprocessesisdevelopedbyA.definingthedatastoresanddataflowsB.datamodelingC.processdecompositionD.decisiontrees18、Duringdetaileddesign___________and___________arespecified.A.algorithms,datastructuresB.modules,interconnectionsC.subsystems,interfacesD.architecture,humancomputerinteractions(HCI)19、TheunderliningtechniqueinDataFlowAnalysisis:A.generalizationB.specializationC.stepwiserefinementD.encapsulation20、InOODhowcanyoudecidewheretolocateanaction?A.byassigningittoaclassortoaclient(i.e.programunit)thatsendsamessagetoanobjectofthatclassB.onthebasisofinformationhiding.i.e.actionsperformedonstatevariablesshouldbelocaltothatclassC.byusingresponsibility-drivendesignD.byanyofthesethreemethods21、WhichUMLdiagrambestemphasizesthechronologicalorderofmessages?A.classdiagramB.sequencediagramC.collaborationdiagramD.usecase22、AsaruleofthumbIFstatementsshouldnotbenestedtoadepthgreaterthan:A.1B.2C.323、Blackboxtestingisbasedonthe:A.designdocumentB.specificationdocumentD.SoftwareProjectManagementPlan(SPMP)E.allofthese24、Asuccessfultestcaseisonethat:A.detectsanalreadyidentifiedfault.B.detectsapreviouslyundetectedfault.C.runswithoutafaultbeingdetected.D．exhaustivelytestseverypaththroughamodule.25、Howmanytestcasesshouldbepreparedforeachsetwhenitisspecifiedthatanitemmustbelongtoagivensetinthespecifications?A.1B.2C.326、Anumberofstudieshavecomparedstrategiesformoduletesting.Whichofthefollowingstatementsontheirrelativemeritsisfalse?A.codeinspectionisatleastaseffectiveatdetectingfaultsasglass-boxandblack-boxtesting.B.professionalprogrammersdetectedmorefaultswithcodereadingthanblack-boxandglass-boxtesting,andthefaultdetectionratewashigher.C.codereadingleadtothedetectionofmoreinterfacefaults.D.codewalkthroughsprovedtobetheleastcost-effectivemethod.27、Anadvantageoftop-downimplementationandintegrationis:A.itiseasytodeterminewherethefaultlieswhenanewmoduleisaddedB.majordesignflawsshowupearlywhenthelogicmodulesarecodedandtestedC.operationalmodulesareimplementedaftertheirancestorlogicmodulesD.noneofthese.28、Integrationtestingshouldberunbythe:A.SQAgroupB.programmerswhodevelopedthemodulesC.analystswhospecifiedthemodules'functionalityD.clients29、Duringwhichphaseofthesoftwarelifecycledoyoufirstconsidermaintenance?A.implementationB.testingC.maintenanceD.fromtheverybeginning30、Oftenthebestwayofdealingwithproblemsinvolvingthe(software)productthatarenotemergenciesisto:A.fixthemB.findawork-roundC.assignthemtotheleastexperiencedprogrammersD.blamesomeoneelse共5页第2页专业班级装订装订线姓名得分二、Fillintheblank〔eachblank1point,total10point〕1.Onesimplewayoflookingatthespiralsoftwarelife-cyclemodelisasawaterfallmodelwitheachphaseproceededby2.ACASEdevicethatprovidessupportforoneortwoactivitieswithinthesoftwaredevelopmentprocessisreferredtoasa(n)3.Anewversionofafaultymoduleisa(n)4.istheextenttowhichtheproductmeetsitsconstraintswithregardtoresponsetimeorspacerequirements.5.Ifadatastructureispassedasanargument,butthecalledmoduleoperatesononlysomeoftheindividualcomponentsofthatdatastructurethentheyaresaidtobecoupled.6.CRCstandsforClassResponsibility.7.Attheendofthephasetestcasescanstarttobedrawnup.8.Whenachangeismadetoaproducttoreacttochangesintheenvironment,thisisanexampleofmaintenance.9.Ifamaintenanceprogrammerlocatesafaultandchangesit,sointroducinganotherfaultintheproduct,thenthisistermedafault.10.Theprocessofstartingwiththesourcecodeandrecreatingthedesigndocumentsoreventhespecificationsisknownas三、Answerthefollowingquestion.(total45point)1、Explainthefollowingnoun.(each3point,total15point)(1)SoftwareEngineering(2)Cost-benefitAnalysis(3)Cohesion(4)Dataencapsulation(5)Reuse2、Drawthewaterfallmodelanddescribeitsstrengthsandweaknesses.(6point)共5页第3页专业班级装订装订线姓名.3、Listthedocumentationthatshouldbeproducedduringeachphaseofthesoftwarelifecycle.(7point)4、Whatisthestructureofclassicalchiefprogrammerteamandwhatarethetwokeycharactersofchiefprogrammerteam?(7points)5、Whatisthesimilarityanddifferencebetweenwalkthroughandinspection?(5points)6、Determinethecohesionofthefollowingmodules，andexplainyourreasoninbrief:〔5points〕=1\*GB3①Readpartnumberfromdatabaseandupdaterepairrecordonmaintenancefile.=2\*GB3②Calculatenewtrajectory(弹道)andsendittotheprinter.=3\*GB3③Gettemperatureoffurnace.=4\*GB3④Openoldmasterfile,newmasterfile,transactionfile,andprintfile.=5\*GB3⑤printnextline,reversethestringofcharacterscomprisingthethirdargument.共5页第4页专业班级装订装订线姓名得分四、Designproblems(total15point)1、Accordingtotheruleoftheairplanecompany,passengerscanhaveluggageweightedlessorequalto35kgcheckedforfree.Theheavyliftadditional(超重附加费)is6￥/Kgfordomesticfirstclasspassengers(国内头等舱乘客)and8￥/Kgforotherdomesticpassengers.Theheavyliftadditionalfortheforeignpassengersisdoublewhatitisforthedomesticpassengers.Theheavyliftadditionalforthedisabledishalfofthatforthenormalpassengers.Pleasedrawthedecisiontreeforthecarriagecomputation.(7points)2、Aproductistobeinstalledtocontrolnelevatorsinabuildingwithmfloors.Theproblemconcernthelogicrequiredtomoveelevatorsbetweenfloorsaccordingtothefollowingconstrains:1)Eachelevatorhasasetofmbuttons,oneforeachfloor.Theseilluminatewhenpressedandcausetheelevatortovisitthecorrespondingfloor.Theilluminationiscanceledwhenthecorrespondingfloorisvisitedbytheelevator.2)Eachfloor,exceptthefirstfloorandthetopfloor,hastwobuttons,onetorequestanup-elevatorandonetorequestadown-elevator.Thesebuttonsilluminatewhenpressed.Theilluminationiscanceledwhenanelevatorvisitsthefloorandthenmovesinthedesireddirection.3)Whenanelevatorhasnorequest,itremainsatitscurrentfloorwithitsdoorsclosed.AssumethatyouareintheObjectOrientedAnalysisphase,pleasedrawtheuse-casediagramandclassdiagramforthisproduct.(8points)共5页第5页2007-2023_1SoftwareengineeringKeyAnswers(PaperA)一、Foreachquestion,therearefourchoicesmarkedA,B,C,D,choosethebestanswer.(each1point,total30point).1.D2.C3.D4.C5.B6.D7.B8.B9.B10.C11.B12.D13.D14.C15.A16.B17.D18.A19.C20.D21.B22.C23.B24.B25.B26.A27.B28.A29.D30.B评分标准：选对给1分，选错给0分。二、Fillintheblank〔eachblank1point,total10point〕1.riskanalysis2.workbench3.revision4.Performance5.stamp6.Collaboration7.specification8.adaptive9.regression10.reverseengineering评分标准：完全填对给1分；仅有1处拼写错误的不扣分，拼写错误累计2个扣1分；有3处拼写错误的扣1分，拼写错误累计4个扣2分。单词拼写错误十分严重，无法猜想其拼写意图的不给分。三、Answerthefollowingquestion.(total45point)1.(15point)(1)SoftwareEngineering：SoftwareEngineeringisadisciplinewhoseaimistoproducefault-freesoftware,todeliversoftwareontimeandwithinbudgetandtosatisfytheclients’requirements.(2)Cost-benefitAnalysis：Abasicprincipleunderlyingmanysoftwareengineeringtechniquestocompareestimatedfuturebenefitsandcosts.(3)Cohesion：Degreeofinteractionwithinamodule.(4)Dataencapsulation：Datastructuretogetherwiththeoperationsonit.(5)Reuse：Usecomponentsofoneproducttosimplifythedevelopmentofanotherproductthathasdifferentfunctions.评分标准：允许用自己的语言表述名词的意思，根据答复情况酌情给分。2.(6point)Advantages:Disciplinedapproach;Document-drivenDisadvantages:Deliveredproductmaynotmeetclient’sneeds评分标准：画出瀑布模型图给4分，根据绘图完整情况酌情扣分。瀑布模型的优缺点各占1分。3.(7point)Requirementsphase:recordofdiscussionswithclient;documentstatingclient’sneedsand/orarapidprototype.Specificationphase:specificationdocument;softwareprojectmanagementplan.Designphase:architecturaldesign;detaileddesignofeachmodule.Implementationphase:sourcecode;commentsinthesourcecode;testcasesforeachmodule.Integrationphase:commentedsourcecodeofproductasawhole;testcasesforproductasawhole;usermanual,operatormanual,othermanuals.Maintenancephase:recordofchangesmade,withreasons;regressiontestcases;modifieddocumentationfrompreviousphases.Retirementphase:whyitwasretired,when,andbywhom.评分标准：每列出一个阶段的文档得1分，只列出7个阶段，而没有列出文档情况得2分，其他情况酌情扣分。4.(7points)〔5分〕Twokeyaspects:SpecializationandHierarchy〔2分〕评分标准：列出主程序员结构得5分，每列出1种特点得1分，如果只列出了主程序员的成员，而没有列出之间的关系，扣1分。其他情况酌情扣分。5.(5points)Botharereviewprocessesperformedbyteamswiththeaimoffindingfaults.Inbothcasesthematerialisstudiedbyindividualteammembers,andthenthematerialisreviewedbytheteamas