首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
从供选择的答案中选出应填入下列叙述中( )内的正确答案： 数据库系统是由(A) 、(B) 、(C) 和软件支持系统组成，其中(A) 是物质基础，软件支持系统中(D) 是不可缺少的，(B) 体现数据...
查看本题答案
包含此试题的试卷
中级数据库系统工程师《填空》真题及答案
点击查看
你可能感兴趣的试题
从供选择的答案中选出应填入下列叙述中内的正确答案已知一棵二叉树的前序序列和中序序列分别为ABDEGC
从供选择的答案中选出应填入下列叙述中内的正确答案在操作系统中处理器管理部分由作业管理和进程管理两部分
从供选择的答案中选出应填入下列叙述中内的正确答案在ISO的OSI模型中提供流量控制功能的层是A提供建
从供选择的答案中选出应填入下列叙述中内的正确答案在计算机系统中当高速外设采用DMA方式进行输入/输出
从供选择的答案中选出应填入下列叙述中内的正确答案多媒体技术中图形格式一般为两类即A和B具体的存储方式
从供选择的答案中选出应填入下列叙述中内的正确答案1PC总线A2输入设备B3网络技术C4CPUD5汉字
从供选择的答案中选出应填入下列叙述中内的正确答案堆是一种有用的数据结构例如关键码序列A是一个堆堆排序
从供选择的答案中选出应填入下列叙述中内的正确答案各种程序设计语言中都有多种数据类型纯量数据类型和结构
从供选择的答案中选出应填入下列叙述中内的正确答案 关系型数据库语言SQL目前得到了越来越广泛的使用
从供选择的答案中选出应填入下列叙述中内的正确答案 数据库系统是由ABC和软件支持系统组成其中A是物
从供选择的答案中选出应填入下列叙述中内的正确答案视觉上对彩色的感觉有3个特征反映颜色种类的特征叫A反
从供选择的答案中选出应填入下列叙述中内的正确答案 多媒体技术中图形格式一般为两类即A和B具体的存储
从供选择的答案中选出应填入下列叙述中内的正确答案由国际标准化组织和国际电信联盟共同提出的开放系统互连
从供选择的答案中选出应填入下列叙述中内的正确答案操作系统是一种A作业管理和进程管理是操作系统的重要组
从供选择的答案中选出应填入下列叙述中内的正确答案设w为一个二维数组其每个数据元素占用6个字节行下标i
从供选择的答案中选出应填入下列叙述中内的正确答案 视觉上对彩色的感觉有3个特征反映颜色种类的特征叫
从供选择的答案中选出应填入下列叙述中内的正确答案在高级语言中子程序调用语句中的A在个数类型/I匝序方
单项选择题本大题共30个小题每小题1分共30分在每小题的四个备选答案中选出一个正确答案并将正确答案的
政治
经济
文化
zōng jiāo
从供选择的答案中选出应填入下列叙述中内的正确答案关系型数据库语言SQL目前得到了越来越广泛的使用SQ
从供选择的答案中选出应填入下列叙述中内的正确答案 数据库是按照一定的规则存储在计算机中的相关数据的
热门试题
更多
OneoftheguidelinesinwritingtheCcodeforasoftwaretoolisasfollows:writecodethatisasclearandassimplea76.TheClanguagecanbedifficulttoreadifyoucombineall77featuresinasinglestatement.Breakcomplicated78intoseveraleasytounderstandstatementsforthe79ofreadability.Thisstylehelpstomakeyourprogramsmore80anderror-free. 79
在软件项目管理中可以使用各种图形工具来辅助决策下面对Gantt图的描述中不正确的是
ApplicationdevelopmentincreasinglymeansWindowsdevelopmentandthepopularityofvisualdevelopmenttoolshas95intandemwithWindowsitself.Thesetoolscreatebeautifulwindowing96andtheirfastdevelopmentcyclesandeasylearningcurvesmakethemagood97formanytypesofPCdevelopmentprojects.Today’sdevelopersareleveragingthesetoolsandtheabundanceofheappowerfulPCstoshiftthebalanceofpowertothedesktop. AstheworldmovesinexorablytowardWindowsandother98userinterfacesdeveloperscanchoosefromanabundanceof99orientedtools.PopularexamplesincludeMicrosoftCorp.’sVisualBasicPowersoftCorp.’sPowerBuilderGuptaTechnologyCorp.’sSQLWindowsandsoon. 97
Thegrowthofswitchinghas135anewgenerationofnetworkmanagementtoolsthathelp136copewiththechallenges137themtocorrelatedevicealarmsinorderto138pinpointrootcausesortomonitorservicelevelswithoutdependingonIPsubnetschemes.Thesenewtoolshavebecomeessentialtocopingwiththeprimary139effectofanytreatmentthatsignificantlyincreasesnetworkflexibility:addedcomplexity. 138
ApplicationdevelopmentincreasinglymeansWindowsdevelopmentandthepopularityofvisualdevelopmenttoolshas95intandemwithWindowsitself.Thesetoolscreatebeautifulwindowing96andtheirfastdevelopmentcyclesandeasylearningcurvesmakethemagood97formanytypesofPCdevelopmentprojects.Today’sdevelopersareleveragingthesetoolsandtheabundanceofheappowerfulPCstoshiftthebalanceofpowertothedesktop. AstheworldmovesinexorablytowardWindowsandother98userinterfacesdeveloperscanchoosefromanabundanceof99orientedtools.PopularexamplesincludeMicrosoftCorp.’sVisualBasicPowersoftCorp.’sPowerBuilderGuptaTechnologyCorp.’sSQLWindowsandsoon. 99
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 21
32在实现阶段进行它所依据的模块功能描述和内部细节以及测试方案应在33阶段完成目的是发现编程错误 34所依据的模块说明书和测试方案应在35阶段完成它能发现设计错误 36应在模拟的环境中进行强度测试的基础上进行测试计划应在软件需求分析阶段完成 35
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 25
在软件开发过程中常用图作为描述工具如DFD就是面向50分析方法的描述工具在一套分层DFD中如果某一张图中有N个加工process则这张图允许有51张子图在一张DFD图中任意两个加工之间52在画分层DFD时应注意保持53之间的平衡 53
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodemsoftwaredevelopment.Thenotionsof36andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive37whichisconcludedwithawell-defined38andcanbefurtherbrokendowninto39-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup40logicallybynature. 37
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 23
100whethertogowithasharedorswitchedfastLANtechnologyonceyoustarttomaxoutyoursharedEthernetoftoken-ringLANistoughcall.Usersandanalystsinvolvedin101high-speedLANshavelearnedthebenefitsofeach.Howevertherearetrade-offstoeachand102whichfastLANtechnologytochooseiscriticalfor103networkperformanceproblemsand104costlypurchasingmistakes. 102
Withthewidespreaduseofthepersonalcomputermanyauthoritiesinthefieldof56havepointedouttheneedforcomputerliteracy. Unfortunatelythereisno57agreementastowhattheterm"computerliteracy"means.Somefeelthatcomputerliteracymeansknowinghowtomakethecomputer"compute";thatisknowinghowtoprogramcomputersinoneormoreprogramminglanguages. Othersfeelthatknowinghowtoprogramismerelyasmallsegmentofcomputerliteracy.Thesepeople58themajoremphasisinschoolsshouldbeonteachinghowtoeffectivelyusethemanysoftwarepackagesthatareavailable. Stillotherssuggestthatcomputerliteracyeducationisnotrequired.Theysuggestthatcomputersarebeingsorapidlyintegratedintooursocietythatusingacomputerwillbeas59asusingatelephoneoravideotaperecorderandthatspecialeducationwillnotbenecessary.60ofone’sdefinitionofcomputerliteracyitisrecognizedbymostthatlearningtouseacomputerisindeedanimportantskillinmodernsociety. 58
Withthewidespreaduseofthepersonalcomputermanyauthoritiesinthefieldof56havepointedouttheneedforcomputerliteracy. Unfortunatelythereisno57agreementastowhattheterm"computerliteracy"means.Somefeelthatcomputerliteracymeansknowinghowtomakethecomputer"compute";thatisknowinghowtoprogramcomputersinoneormoreprogramminglanguages. Othersfeelthatknowinghowtoprogramismerelyasmallsegmentofcomputerliteracy.Thesepeople58themajoremphasisinschoolsshouldbeonteachinghowtoeffectivelyusethemanysoftwarepackagesthatareavailable. Stillotherssuggestthatcomputerliteracyeducationisnotrequired.Theysuggestthatcomputersarebeingsorapidlyintegratedintooursocietythatusingacomputerwillbeas59asusingatelephoneoravideotaperecorderandthatspecialeducationwillnotbenecessary.60ofone’sdefinitionofcomputerliteracyitisrecognizedbymostthatlearningtouseacomputerisindeedanimportantskillinmodernsociety. 56
在软件开发过程中常用图作为描述工具如DFD就是面向50分析方法的描述工具在一套分层DFD中如果某一张图中有N个加工process则这张图允许有51张子图在一张DFD图中任意两个加工之间52在画分层DFD时应注意保持53之间的平衡 51
100whethertogowithasharedorswitchedfastLANtechnologyonceyoustarttomaxoutyoursharedEthernetoftoken-ringLANistoughcall.Usersandanalystsinvolvedin101high-speedLANshavelearnedthebenefitsofeach.Howevertherearetrade-offstoeachand102whichfastLANtechnologytochooseiscriticalfor103networkperformanceproblemsand104costlypurchasingmistakes. 100
100whethertogowithasharedorswitchedfastLANtechnologyonceyoustarttomaxoutyoursharedEthernetoftoken-ringLANistoughcall.Usersandanalystsinvolvedin101high-speedLANshavelearnedthebenefitsofeach.Howevertherearetrade-offstoeachand102whichfastLANtechnologytochooseiscriticalfor103networkperformanceproblemsand104costlypurchasingmistakes. 104
在用白箱法设计测试用例时常用的5种覆盖标准是语句覆盖判定覆盖条件覆盖判定/条件覆盖多重条件组合覆盖 假设A和B是两种覆盖标准我们用AB表示A包含B用AB表示B包含A用A≡B表示A与B相同用A≠B表示A和B互不包含于是上述5种覆盖标准之间的某些关系可表示为 语句覆盖37判定覆盖 语句覆盖38条件覆盖 判定覆盖39条件覆盖 判定覆盖40判定/条件覆盖 判定/条件覆盖41多重条件组合覆盖 41
在用白箱法设计测试用例时常用的5种覆盖标准是语句覆盖判定覆盖条件覆盖判定/条件覆盖多重条件组合覆盖 假设A和B是两种覆盖标准我们用AB表示A包含B用AB表示B包含A用A≡B表示A与B相同用A≠B表示A和B互不包含于是上述5种覆盖标准之间的某些关系可表示为 语句覆盖37判定覆盖 语句覆盖38条件覆盖 判定覆盖39条件覆盖 判定覆盖40判定/条件覆盖 判定/条件覆盖41多重条件组合覆盖 39
OneoftheguidelinesinwritingtheCcodeforasoftwaretoolisasfollows:writecodethatisasclearandassimplea76.TheClanguagecanbedifficulttoreadifyoucombineall77featuresinasinglestatement.Breakcomplicated78intoseveraleasytounderstandstatementsforthe79ofreadability.Thisstylehelpstomakeyourprogramsmore80anderror-free. 77
ApplicationdevelopmentincreasinglymeansWindowsdevelopmentandthepopularityofvisualdevelopmenttoolshas95intandemwithWindowsitself.Thesetoolscreatebeautifulwindowing96andtheirfastdevelopmentcyclesandeasylearningcurvesmakethemagood97formanytypesofPCdevelopmentprojects.Today’sdevelopersareleveragingthesetoolsandtheabundanceofheappowerfulPCstoshiftthebalanceofpowertothedesktop. AstheworldmovesinexorablytowardWindowsandother98userinterfacesdeveloperscanchoosefromanabundanceof99orientedtools.PopularexamplesincludeMicrosoftCorp.’sVisualBasicPowersoftCorp.’sPowerBuilderGuptaTechnologyCorp.’sSQLWindowsandsoon. 95
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 7
在测试用例设计中有语句覆盖条件覆盖判定覆盖即分支覆盖路径覆盖等其中43是最强的覆盖准则为了对如图9-2所示的程序段进行覆盖测试必须适当地选取测试数据组若xy是两个变量可供选择的测试数据组共有ⅠⅡⅢⅣ四组如表9-3所示则实现判定覆盖至少应采用的测试数据组是44实现条件覆盖至少应采用的测试数据组是45实现路径覆盖至少应采用的测试数据组是46或47 表9-3测试数据组 z y 测试数据组Ⅰ 0 3 测试数据组Ⅱ 1 2 测试数据组Ⅲ -1 2 测试数据组Ⅳ 3 1 45
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodemsoftwaredevelopment.Thenotionsof36andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive37whichisconcludedwithawell-defined38andcanbefurtherbrokendowninto39-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup40logicallybynature. 39
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 9
在测试用例设计中有语句覆盖条件覆盖判定覆盖即分支覆盖路径覆盖等其中43是最强的覆盖准则为了对如图9-2所示的程序段进行覆盖测试必须适当地选取测试数据组若xy是两个变量可供选择的测试数据组共有ⅠⅡⅢⅣ四组如表9-3所示则实现判定覆盖至少应采用的测试数据组是44实现条件覆盖至少应采用的测试数据组是45实现路径覆盖至少应采用的测试数据组是46或47 表9-3测试数据组 z y 测试数据组Ⅰ 0 3 测试数据组Ⅱ 1 2 测试数据组Ⅲ -1 2 测试数据组Ⅳ 3 1 43
在测试用例设计中有语句覆盖条件覆盖判定覆盖即分支覆盖路径覆盖等其中43是最强的覆盖准则为了对如图9-2所示的程序段进行覆盖测试必须适当地选取测试数据组若xy是两个变量可供选择的测试数据组共有ⅠⅡⅢⅣ四组如表9-3所示则实现判定覆盖至少应采用的测试数据组是44实现条件覆盖至少应采用的测试数据组是45实现路径覆盖至少应采用的测试数据组是46或47 表9-3测试数据组 z y 测试数据组Ⅰ 0 3 测试数据组Ⅱ 1 2 测试数据组Ⅲ -1 2 测试数据组Ⅳ 3 1 47
Thegrowthofswitchinghas135anewgenerationofnetworkmanagementtoolsthathelp136copewiththechallenges137themtocorrelatedevicealarmsinorderto138pinpointrootcausesortomonitorservicelevelswithoutdependingonIPsubnetschemes.Thesenewtoolshavebecomeessentialtocopingwiththeprimary139effectofanytreatmentthatsignificantlyincreasesnetworkflexibility:addedcomplexity. 136
在用白箱法设计测试用例时常用的5种覆盖标准是语句覆盖判定覆盖条件覆盖判定/条件覆盖多重条件组合覆盖 假设A和B是两种覆盖标准我们用AB表示A包含B用AB表示B包含A用A≡B表示A与B相同用A≠B表示A和B互不包含于是上述5种覆盖标准之间的某些关系可表示为 语句覆盖37判定覆盖 语句覆盖38条件覆盖 判定覆盖39条件覆盖 判定覆盖40判定/条件覆盖 判定/条件覆盖41多重条件组合覆盖 37
Withthewidespreaduseofthepersonalcomputermanyauthoritiesinthefieldof56havepointedouttheneedforcomputerliteracy. Unfortunatelythereisno57agreementastowhattheterm"computerliteracy"means.Somefeelthatcomputerliteracymeansknowinghowtomakethecomputer"compute";thatisknowinghowtoprogramcomputersinoneormoreprogramminglanguages. Othersfeelthatknowinghowtoprogramismerelyasmallsegmentofcomputerliteracy.Thesepeople58themajoremphasisinschoolsshouldbeonteachinghowtoeffectivelyusethemanysoftwarepackagesthatareavailable. Stillotherssuggestthatcomputerliteracyeducationisnotrequired.Theysuggestthatcomputersarebeingsorapidlyintegratedintooursocietythatusingacomputerwillbeas59asusingatelephoneoravideotaperecorderandthatspecialeducationwillnotbenecessary.60ofone’sdefinitionofcomputerliteracyitisrecognizedbymostthatlearningtouseacomputerisindeedanimportantskillinmodernsociety. 60
热门题库
更多
中级数据库系统工程师
中级多媒体应用设计师
高级系统分析师
高级网络规划设计师
高级系统架构师
中级信息系统监理师
初级通信工程师
中级通信工程师
通信新技术、新业务知识
无线通信专业技术
移动通信专业技术
有线传输专业技术
电话交换专业技术
电信网络专业技术
计算机通信专业技术
通信电源专业技术
湘公网安备 43130202000226号