Database - Big Data Systems

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11. Consider the following statements:
Statement 1: Volatility refers to the data velocity relative to timescale of event being studied
Stetement 2: Viscosity refers to the rate of data loss and stable lifetime of data

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Option : C
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12. What are the main components of Hadoop Ecosystem?

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Option : A
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13. True or False?
NoSQL database store unstructured data with no particular schema.

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Option : A
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14. Which of the following is guaranteed by Zookeeper?

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Option : D
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15. Which of the following is not a NoSQL database?

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Option : B
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