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    Question

    Spark performs better than Hadoop MapReduce

    because:
    A It stores data only on disk Correct Answer Incorrect Answer
    B It uses in-memory computation Correct Answer Incorrect Answer
    C It has no fault tolerance Correct Answer Incorrect Answer
    D It requires less hardware Correct Answer Incorrect Answer
    E It is open-source Correct Answer Incorrect Answer

    Solution

    Spark reduces disk I/O by performing computations in memory, making it faster than MapReduce.

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