【判断题】改变挡土墙的胸坡和背坡可改善其抗滑稳定性。
【单选题】关于 mapreduce框架中一个作业的 reduce 任务的数目, 下列说法正确的是()
C.
可以由用户来自定义,通过 JobConf.setNumReducetTask(int) 来设定一个作业中 reduce 的任务数目
【单选题】听力原文:M: Operator, I'm trying to call 8324,531. But I couldn't get through and it was in service only an hour ago. W: I am sorry, but that number is no longer in service. Q: Why is the man not satisfie...
A.
He completed a call to that number only a short time ago.
B.
He believes the operator cannot hear him.
C.
He believes the operator does not want him to make the call.
D.
He thinks that the number must have been changed.
【单选题】听力原文:W: Hi there. I was wondering if you could help me. I'm trying to get to Marble Gar dens. Do you know which bus I should take? M: Yes, of course. You should take bus 123 and change to bus 112 at H...
【单选题】关于Map以下说法正确的是?
A.
Map的输入是完整文件,输出是文件分片split
B.
Map完成之后直接进入Reduce,没有其他中间过程
【单选题】若用万用表测二极管的正、反向电阻的方法来判断二极管的好坏,好的管子应为 。
【单选题】I’ve rushed off my feet all day . I’m trying to get out of the endless business , ____ I find it impossible.
【多选题】下列关于MapReduce说法正确的是( )
C.
相较于结构化数据,它更适合于处理半结构化或无结构化的数据
D.
MapReduce的程序运行主要Map、Shuffle和Reduce三个步骤
【多选题】以下关于MapReduce工作流程说法正确的是
B.
不同的Reduce任务之间不会发生任何信息交换
C.
用户不能显式地从一台机器向另一台机器发送消息
D.
所有的数据交换都是通过MapReduce框架自身去实现的
【单选题】“人有悲欢离合,月有阴晴圆缺,此事古难全。但愿人长久,千里共婵娟。“出自苏轼的