Explanation:A scheme might automatically move data from one DataNode to another if the free space on a DataNode falls below a certain threshold. 3. The ___________ machine is a single point of failure for an HDFS cluster.
A. DataNode
B. NameNode
C. ActionNode
D. All of the mentioned
Answer:A
Explanation:A scheme might automatically move data from one DataNode to another if the free space on a DataNode falls below a certain threshold. 3. The ___________ machine is a single point of failure for an HDFS cluster.
A. DataNode B. NameNode C. ActionNode D. All of the mentioned