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Impala on Amazon EMR requires _________ running Hadoop 2.x or greater.

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Impala on Amazon EMR requires _________ running Hadoop 2.x or greater.

(a) AMS

(b) AMI

(c) AWR

(d) All of the mentioned

I had been asked this question during an interview.

The question is from Amazon Elastic MapReduce topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

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Best answer
Correct choice is (b) AMI

The explanation: Impala is an open source tool in the Hadoop ecosystem for interactive, ad hoc querying using SQL syntax.

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