在实验集群的master节点使用jps命令查看进程时，终端出现以下哪项能说明Hadoop主节点启动成功？A. Namenode,Datanode, TaskTrackerB. Namenode,Datanode, secondaryNameNodeC. Namenode,Datanode, HMasterD. Namenode,JobTracker, secondaryNameNode A: 1 B: 2 C: 3 D: 4
在实验集群的master节点使用jps命令查看进程时，终端出现以下哪项能说明Hadoop主节点启动成功？A. Namenode,Datanode, TaskTrackerB. Namenode,Datanode, secondaryNameNodeC. Namenode,Datanode, HMasterD. Namenode,JobTracker, secondaryNameNode A: 1 B: 2 C: 3 D: 4
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