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Q1 Single choice

What does the Terasort phase of the Terasort benchmark do?

A
It maps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.
B
It randomly maps source data and reduces output to a smaller data set,
C
It maps and reduces one terabyte of data into a smaller data set.
D
It randomly maps source data and increases output to a bigger data set.

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