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CCA-410 · Question #35
CCA-410 Question #35: Real Exam Question with Answer & Explanation
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Question
Your cluster has nodes in seven racks, and you have provided a rack topology script. What is Hadoop's block placement policy, assuming a block replication factor of three?
Options
- AOne copy of the block is written to a node in each of three racks
- BOne copy of the block is written to a node in one rack; two copies are written to two nodes in a different rack
- CAll three of the block are written to nodes on the same rack
- DBecause there are seven racks the block is written to a node on each rack
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