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You Are Running  Hadoop Cluster with All Monitoring Facilities Properly Configured

Question 28

Multiple Choice

You are running  Hadoop cluster with all monitoring facilities properly configured. Which scenario will go undeselected?


A) HDFS is almost full
B) The NameNode goes down
C) A DataNode is disconnected from the cluster
D) Map or reduce tasks that are stuck in an infinite loop
E) MapReduce jobs are causing excessive memory swaps

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