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CCA-410 · Question #6
CCA-410 Question #6: Real Exam Question with Answer & Explanation
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Question
Cluster Summary 45 files and directories, 12 blocks = 57 total. Heap Size is 15.31 MB / 193.38MB(7%) Refer to the above screenshot. You configure the Hadoop cluster with seven DataNodes and the NameNode's web UI displays the details shown in the exhibit. What does this tells you?
Exhibit
Options
- AThe HDFS cluster is in the safe mode.
- BYour cluster has lost all HDFS data which had blocks stored on the dead DataNode.
- COne physical host crashed.
- DThe DataNode JVM on one host is not active.
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