[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5K34FujFqiw8JLS6otY_PqjzAwsR6z_WgUPC5CyAGZM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":12,"related":13,"source":24,"type":108},[],"2023-11-24 11:13:35",108050554,[],{"courseId":9,"courseImg":10,"courseName":11},"1de8b134a499de3f3d9047040d62674b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F61c7e6cde2d4fcf634c4675c008e2d14.jpg","大数据集成管理平台(2023-2024-1)","两个典型的映射操作是map()方法和 ____方法",[14,26,35,44,53,62,71,80,89,98],{"answer":15,"createTime":16,"id":17,"options":18,"question":23,"source":24,"type":25},[],"2023-11-24 11:13:34",108050499,[19,20,21,22],"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","‍以下选项说法错误的是? ‍abstract class Car ‍{ ‍ val carBrand : String ‍ def info() ‍ def greeting() { ‍ println("welcome") ‍ } ‍}","v1",0,{"answer":27,"createTime":16,"id":28,"options":29,"question":34,"source":24,"type":25},[],108050504,[30,31,32,33],"reduceByKey","filter","map","union","下面哪个操作肯定是宽依赖",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],108050506,[39,40,41,42],"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":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],108050509,[48,49,50,51],"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":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],108050512,[57,58,59,60],"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":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],108050514,[66,67,68,69],"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":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],108050516,[75,76,77,78],"Spark Streaming","MLlib","GraphX","Flink","‍以下哪个不是Spark的组件",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":25},[],108050518,[84,85,86,87],"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":90,"createTime":5,"id":91,"options":92,"question":97,"source":24,"type":25},[],108050520,[93,94,95,96],"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":99,"createTime":5,"id":100,"options":101,"question":106,"source":24,"type":107},[],108050523,[102,103,104,105],"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",1,2]