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A data engineer is asked to process several large datasets using MapReduce.

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A data engineer is asked to process several large datasets using MapReduce. Upon initial inspection the engineer realizes that there are complex interdependencies between the datasets.

Why is this a problem?

A.

MapReduce works best on unstructured data

B.

There is no problem; MapReduce accommodates all the data

C.

MapReduce can only parse one file at a time.

D.

MapReduce is not ideal when the processing of one dataset depends on another.

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