Could you please explain on what set of technologies that I must be mastered to pass the exam? for example, I know Pig and Hive very well. Is that sufficient to pass the exam? or Do you think that I should learn Spark also? I understand that choice of tool set (for a given problem) is left to the me only. However, will there be any problems that can only be done by SPARK? Please advise, such that I will learn spark as well.
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