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As companies move past the experimental phase with Hadoop, many cite the need for additional capabilities, including _______________

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As companies move past the experimental phase with Hadoop, many cite the need for additional capabilities, including _______________

(a) Improved data storage and information retrieval

(b) Improved extract, transform and load features for data integration

(c) Improved data warehousing functionality

(d) Improved security, workload management, and SQL support

The question was posed to me in homework.

Question is from Big Data topic in portion Basics of Hadoop of Hadoop

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Correct choice is (d) Improved security, workload management, and SQL support

The best explanation: Adding security to Hadoop is challenging because all the interactions do not follow the classic client-server pattern.

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