[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fU3DNzBK_j7dscSBlsKOE6td0TtQ27PSjSExVqpu9rfk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2023-11-24 11:13:34",108050499,[8,9,10,11],"info和 greeting都是Car的抽象方法","类Car不能被实例化","Car是一个抽象类","carBrand是一个抽象成员",{"courseId":13,"courseImg":14,"courseName":15},"1de8b134a499de3f3d9047040d62674b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F61c7e6cde2d4fcf634c4675c008e2d14.jpg","大数据集成管理平台(2023-2024-1)","‍以下选项说法错误的是? ‍abstract class Car ‍{ ‍ val carBrand : String ‍ def info() ‍ def greeting() { ‍ println("welcome") ‍ } ‍}",[18,23,32,42,51,60,69,78,87,96],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],108050504,[27,28,29,30],"reduceByKey","filter","map","union","下面哪个操作肯定是宽依赖",{"answer":33,"createTime":34,"id":35,"options":36,"question":41,"source":21,"type":22},[],"2023-11-24 11:13:35",108050506,[37,38,39,40],"单例对象不可以定义方法,而类可以","单例对象不可以带参数,而类可以","单例对象不可以继承,而类可以","单例对象不可以定义私有属性,而类可以","‍以下关于类和单例对象的对比说法正确的是",{"answer":43,"createTime":34,"id":44,"options":45,"question":50,"source":21,"type":22},[],108050509,[46,47,48,49],"12","9","7","10","def pw (f:Int=>Int, x:Int) : Int = {if (x == 0) 1 else f(x)+pw(f,x-1) } ,求 pw(x,3) =()",{"answer":52,"createTime":34,"id":53,"options":54,"question":59,"source":21,"type":22},[],108050512,[55,56,57,58],"可持久化","可分区","可序列化","可修改","下面哪个不是 RDD 的特点",{"answer":61,"createTime":34,"id":62,"options":63,"question":68,"source":21,"type":22},[],108050514,[64,65,66,67],"基于历史数据的交互式查询","基于实时数据流的数据处理","复杂的批量数据处理","大数据的分布式计算","‏以下类型不属于目前的大数据处理典型应用场景的是()",{"answer":70,"createTime":34,"id":71,"options":72,"question":77,"source":21,"type":22},[],108050516,[73,74,75,76],"Spark Streaming","MLlib","GraphX","Flink","‍以下哪个不是Spark的组件",{"answer":79,"createTime":34,"id":80,"options":81,"question":86,"source":21,"type":22},[],108050518,[82,83,84,85],"Worker Node","Spark Master","Driver Program","Cluster Manager","‍Task是Executor上的工作单元,运行于下面哪个组件上",{"answer":88,"createTime":34,"id":89,"options":90,"question":95,"source":21,"type":22},[],108050520,[91,92,93,94],"流计算","批处理计算","图计算","查询分析计算","‌大数据技术及其代表性的软件种类很多,不同的技术有其不同应用场景,都对应着不同的大数据计算模式,请问软件产品Pregel主要应用于以下哪种计算模式",{"answer":97,"createTime":34,"id":98,"options":99,"question":104,"source":21,"type":105},[],108050523,[100,101,102,103],"Standalone","Spark on YARN","Local","Spark on Mesos","‎Spark可以采用几种不同的部署方式,以下正确的部署方式有",1]