[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fW8_1R3gGZ9k1NcIThf9RUSbpmR1fcwvHfEjf3U1hJgU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-12-18 22:41:32",172178460,[8,9,10,11],"该路由器在向BGP邻居12.12.12.2通告自己的BGP路由时,会允许通告10.0.0.0-10.255.255.255的路由","该路由器在向BGP邻居12.12.12.2通告自己的BGP路由时,会允许通告172.16.0.0-172.31.255.255的路由","该路由器在向BGP邻居12.12.12.2通告自己的BGP路由时,会过滤掉172.16.0.0-172.31.255.255的路由","该路由器在向BGP邻居12.12.12.2通告自己的BGP路由时,会过滤掉所有路由",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},100,"00ce49c870bb45a826afffc4a5727b26","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f6d1861c2d7225ca42808692d75026e.jpg","构建高性能园区网络","work_39372103","BGP客观题作业","下面路由器是Huawei的部分输出配置,关于该部分配置描述正确的是:( ). [Huawei]bgp 100 [Huawei-bgp]peer 12.12.12.2 ip-prefix P1 export [Huawei]ip ip-prefix P1 index 5 deny 10.0.0.0 8 greater-equal 8 less-equal 32 [Huawei]ip ip-prefix P1 index 10 deny 172.16.0.0 12 greater-equal 8 less-equal 32 [Huawei]ip ip-prefix P1 index 15 deny 192.168.0.0 16 greater-equal 8 less-equal 32 [Huawei]ip ip-prefix P1 index 20 permit 0.0.0.0 8 less-equal 8 less-equal 32",[21,32,41,46,55,64,73,78,87,96],{"answer":22,"createTime":23,"id":24,"options":25,"question":29,"source":30,"type":31},[],"2024-12-01 16:23:02",168381525,[26,27,28,28],"X1","X2","","一个关系模式为Y(X1,X2,X3,X4),假定该关系存在函数依赖:(X1,X2)&rarr;X3,X2&rarr;X4,则该关系的码为______","v1",0,{"answer":33,"createTime":23,"id":34,"options":35,"question":40,"source":30,"type":31},[],168381526,[36,37,38,39],"不该删除的数据被删除","不该插入的数据被插入","应该删除的数据未被删除","应该插入的数据未被插入","关系规范化中的插入操作异常是指( )",{"answer":42,"createTime":23,"id":43,"options":44,"question":45,"source":30,"type":31},[],168381527,[36,37,38,39],"关系规范化中的删除异常是指 ( )",{"answer":47,"createTime":23,"id":48,"options":49,"question":54,"source":30,"type":31},[],168381529,[50,51,52,53],"Y函数依赖于X","Y对X完全函数依赖","X为U的候选码","Y对X部分函数依赖","在R(U)中,如果X&rarr;Y,并且对于X的任何一个真子集X',都有 X'&rarr;Y,则( )",{"answer":56,"createTime":23,"id":57,"options":58,"question":63,"source":30,"type":31},[],168381530,[59,60,61,62],"自反规则","增广规则","传递规则","伪传递规则","若X&rarr;Y和Y&rarr;Z在关系模式R上成立,则X&rarr;Z在R上也成立.该推理规则称为( )",{"answer":65,"createTime":23,"id":66,"options":67,"question":72,"source":30,"type":31},[],168381531,[68,69,70,71],"F中每个函数依赖的右部都必须是单个属性","F中每个函数依赖的左部都必须是单个属性","F中不能有冗余的函数依赖","F中每个函数依赖的左部不能有冗余属性","设F是某关系模式的极小函数依赖集.下列关于F的说法,错误的是( )",{"answer":74,"createTime":23,"id":75,"options":76,"question":77,"source":30,"type":31},[],168381532,[28,28,28,28],"有关系模式:借书(书号,书名,库存量,读者号,借书日期,还书日期),设一个读者可以多次借阅同一本书,但对一种书(用书号唯一标识)不能同时借多本.该关系模式的主码是( )",{"answer":79,"createTime":23,"id":80,"options":81,"question":86,"source":30,"type":31},[],168381533,[82,83,84,85],"如何构造合适的逻辑结构以减少冗余和操作异常","如何构造合适的物理结构以提高数据库运行的效率","如何构造合适的应用程序界面以方便用户使用数据库","如何控制操作权限以杜绝数据库的非法访问","关系数据库的规范化理论主要解决的问题是( )",{"answer":88,"createTime":23,"id":89,"options":90,"question":95,"source":30,"type":31},[],168381534,[91,92,93,94],"需求分析","概念结构设计","逻辑结构设计","物理结构设计","数据库设计可划分为6个阶段,每个阶段都有自己的设计内容,&quot;为哪些关系在哪些属性上建什么样的索引&quot;这一设计内容应该属于( )阶段",{"answer":97,"createTime":23,"id":98,"options":99,"question":104,"source":30,"type":31},[],168381535,[100,101,102,103],"程序流程图","实体联系图","模块结构图","数据结构图","数据库设计人员和用户之间沟通信息的桥梁是( )"]