Q. In Hadoop, what is the function of 'input split'?
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(A)
Splits the output data
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(B)
Splits HDFS blocks
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(C)
Splits input data into chunks for mappers
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(D)
Splits network bandwidth
✅ Correct Answer: (C)
Splits input data into chunks for mappers
Explanation: Input splits divide the input data so that each mapper processes a portion of it.