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H13-711_V3.5 · Question #311
H13-711_V3.5 Question #311: Real Exam Question with Answer & Explanation
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Question
The data node is the working node of HDFS. What are its functions described below? (Multiple choice)
Options
- AResponsible for data storage and reading
- BStore and retrieve data according to the scheduling of the client or the name node
- CRecords all operations on file creation, deletion, renaming, etc.
- DPeriodically send the name node a list of the blocks it stores.
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