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Which scenario will go undetected?

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

PrepAway - Latest Free Exam Questions & Answers

A.
Map or reduce tasks that are stuck in an infinite loop.

B.
HDFS is almost full.

C.
The NameNode goes down.

D.
A DataNode is disconnected from the cluster.

E.
MapReduce jobs that are causing excessive memory swaps.

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