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CCA-500 · Question #47
CCA-500 Question #47: Real Exam Question with Answer & Explanation
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Question
Which two are features of Hadoop's rack topology?
Options
- AConfiguration of rack awareness is accomplished using a configuration file.
- BHadoop gives preference to intra-rack data transfer in order to conserve bandwidth
- CRack location is considered in the HDFS block placement policy
- DHDFS is rack aware but MapReduce daemon are not
- EEven for small clusters on a single rack, configuring rack awareness will improve performance
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