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CCA-500 · Question #23
CCA-500 Question #23: Real Exam Question with Answer & Explanation
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Question
You use the hadoop fs -put command to add a file "sales.txt" to HDFS. This file is small enough that it fits into a single block, which is replicated to three nodes in your cluster (with a replication factor of 3). One of the nodes holding this file (a single block) fails. How will the cluster handle the replication of file in this situation?
Options
- AThe file will remain under-replicated until the administrator brings that node back online
- BThe cluster will re-replicate the file the next time the system administrator reboots the NameNode
- CThis will be immediately re-replicated and all other HDFS operations on the cluster will halt until
- DThe file will be re-replicated automatically after the NameNode determines it is under-replicated
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