网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
6、MapReduce实现机制中，Map worker产生的中间结果最后保存到哪里，供Reduce worker读取？
A．Map worker本地内存中
B．Map worker本地硬盘中
C．Master节点上
D．远程Reduce worker上
参考答案和解析
Map worker本地硬盘中
更多 “6、MapReduce实现机制中，Map worker产生的中间结果最后保存到哪里，供Reduce worker读取？A．Map worker本地内存中B．Map worker本地硬盘中C．Master节点上D．远程Reduce worker上” 相关考题
考题
在Java语言中,类Worker是类Person的子类,Worker的构造方法中有一句"super()",该语句()。
A.调用类Worker中定义的super（）方法B.调用类Person中定义的super（）方法C.调用类Person的构造函数D.语法错误
考题
#includestruct Worker{char name[15] ; //姓名int age; //年龄float pay; //工资};void main(){Workerx ={“wangfong"，46，2650};Worker y，*p;y=x;p=coutpay*2}输出结果:
考题
关于MapReduce中Shuffle过程,说法错误的是()。
A.Shuffle过程中为每个Map任务分配一个缓存B.Shuffle过程中分区默认采用哈希函数C.Shulle过程的合并会改变最终结果D.Shuffle过程在Reduce端首先从Map端领取结果，然后执行归并操作，最后输送给Reduce任务进行处理。
考题
若用如下的SQL语句创建一个worker表： CREATE TABLE worker(NO C(4)NOT NULL．NAME C(8) NOT NULL， SEX C(2)，AGE N(2) ) 可以插入到worker表中的是A．('20031006'，NULL，'男'，23)B．('20031006'，'李林')C．(NULL，'李林'，'男'，23)D．('20031006'，'李林'，'男，'23)
考题
在jave中，类Worker是类Person的子类，Worker的构造方法中有一句”super()”,该语句()。A.a)调用类Worker中定义的super()方法B.b)调用类Person中定义的super()方法C.c)调用类Person的构造函数D.d)句法错误
考题
若用如下的SQL语句建立一个worker表： CREATE TABLE worker(NOC(4)NOT NULL,NAMEC(8)NOT NULL,SEXC(2)，AGEN(2)) 可以插入到worker表中的是_________。A．('20031006',NULL,'男'，23)B．(NULL,NULL,'女'，23)C．(NULL，'李林'，'男'，23)D．('20031006'，'李林'，'男'，23)
考题
在JAVA中，类Worker是类Person的子类，Worker的构造方法中有一句“super（）“，该语句（）。A、调用类Worker中定义的super（）方法B、调用类Person中定义的super（）方法C、调用类Person的构造函数D、语法错误
考题
在Java语言中，假设类Worker是类Person的子类，Worker的构造方法中有一句"super（）；"，该语句（）A、调用类Worker中定义的super（）方法B、调用类Person中定义的super（）方法C、调用类Person的构造方法D、语法错误
考题
在MapReduce编程模式中，Map任务与Reduce任务的数量分别是（）？A、一个Map任务，多个Reduce任务B、多个Map任务，多个Reduce任务C、一个Map任务，一个Reduce任务D、多个Map任务，一个Reduce任务
考题
下面关于MapReduce模型中Map函数与Reduce函数的描述正确的是A、一个Map函数就是对一部分
原始数据进行指定的操作B、一个Map操作就是对每个Reduce所产生的
一部分中间结果进行合并操作C、Map与Map之间不是相互独立的D、Reduce与Reduce之间不是相互独立的
考题
You plan to host a Windows Communication Foundation （WCF） service in a Windows Azure worker role. Custom code is necessary to initialize and configure the service endpoint. You need to recommend the point at which the application should initialize the WCF service. What should you recommend？（）A、 When Windows Azure initializes the worker role instance.B、 When the worker role instance receives its first request.C、 When the worker role instance instantiates the WCF service.D、 When the worker role instance enters the main execution thread.
考题
单选题在JAVA中，类Worker是类Person的子类，Worker的构造方法中有一句“super（）“，该语句（）。A
调用类Worker中定义的super（）方法B
调用类Person中定义的super（）方法C
调用类Person的构造函数D
语法错误
考题
单选题下面关于MapReduce模型中Map函数与Reduce函数的描述正确的是（）A
一个Map函数就是对一部分原始数据进行指定的操作B
一个Map操作就是对每个Reduce所产生的一部分中间结果进行合并操作C
Map与Map之间不是相互独立的D
Reduce与Reduce之间不是相互独立的
考题
单选题在MapReduce编程模式中，Map任务与Reduce任务的数量分别是（）？A
一个Map任务，多个Reduce任务B
多个Map任务，多个Reduce任务C
一个Map任务，一个Reduce任务D
多个Map任务，一个Reduce任务
考题
单选题A test in industrial psychology is used to find out _____.A
a worker's achievementsB
a worker's potential for a certain jobC
a worker's psychological problemD
a worker's motivation for a certain job
考题
多选题You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application uses the background worker process (BWP). When the user clicks a button, the background worker executes a method named DoCalculations asynchronously. You need to implement a progress bar on the user interface (UI) that informs the user of the progress of DoCalculations. Which two actions should you perform?（）AModify the Value property of the progress bar in DoCalculations.BModify the Value property of the progress bar in the ProgressChanged event handler of the background worker.CModify the Value property of the progress bar in the RunWorkerCompleted event handler of the background worker.DCall the ReportProgress method of the background worker in DoCalculations.ECall the ReportProgress method of the background worker in the DoWork event handler of the background worker.
考题
单选题A Windows Azure application includes a single-threaded worker role that has multiple instances. The worker role hosts a Windows Communication Foundation （WCF） service. Each request to the WCF service takes several seconds to complete. You need to recommend an approach for ensuring that worker role instances do not receive requests while processing. What should you recommend？（）A
Close the WCF endpoint.B
Throw an exception to cancel the request.C
Redirect incoming requests to a different worker role instance.D
Remove the worker role instance from the load balancer rotation.
考题
单选题You plan to host a Windows Communication Foundation （WCF） service in a Windows Azure worker role. Custom code is necessary to initialize and configure the service endpoint. You need to recommend the point at which the application should initialize the WCF service. What should you recommend？（）A
When Windows Azure initializes the worker role instance.B
When the worker role instance receives its first request.C
When the worker role instance instantiates the WCF service.D
When the worker role instance enters the main execution thread.
考题
单选题在Java语言中，类Worker是类Person的子类，Worker的构造方法中有一句“super（）”，该语句（）A
调用类Worker中定义的super（）方法B
调用类Person中定义的super（）方法C
调用类Person的构造函数D
语法错误
考题
单选题You are developing a Windows Azure application in which a web role and worker role will communicate by using a Windows Azure Queue. You need to recommend an approach for ensuring that the worker role does not attempt to process any message more than three times. What should you recommend？（）A
Appropriately handle poison messages.B
Decrease the visibility timeout for messages.C
Reduce the time-to-live interval for messages in the queue.D
Increase the number of worker role instances reading messages from the queue.
热门标签
最新试卷