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CCA-410 · Question #41
CCA-410 Question #41: Real Exam Question with Answer & Explanation
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Question
You have a cluster running 32 slave nodes and 3 master nodes running mapreduce V1 (MRv1). You execute the command: $ hadoop fsck / What four cluster conditions running this command will return to you?
Options
- AThe current state of the file system returned from scanning individual blocks on each datanode
- BNumber of dead datanodes
- CConfigure capacity of your cluster
- DUnder-replicated blocks
- EBlocks replicated improperly or that don't satisfy your cluster enhancement policy (e. g. , too many
- FNumber of datanodes
- Gthe current state of the file system according to the namenode
- Hthe location for every block
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