Data Mining Data Science

@T-Bone

This question paper focuses on the "Data Mining" of Data Science. These Multiple Choice Questions (mcq) should be practiced to improve the Data Science skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

This question paper focuses on the "Data Mining" of Data Science. These Multiple Choice Questions (mcq) should be practiced to improve the Data Science skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Questions

1. What is true about data mining?

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2. How many categories of functions involved in Data Mining?

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3. The mapping or classification of a class with some predefined group or class is known as?

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4. The analysis performed to uncover interesting statistical correlations between associated-attribute-value pairs is called?

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5. __________ may be defined as the data objects that do not comply with the general behavior or model of the data available.

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6. "Efficiency and scalability of data mining algorithms" issues comes under?

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7. To integrate heterogeneous databases, how many approaches are there in Data Warehousing?

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8. Which of the following is correct advantage of Update-Driven Approach in Data Warehousing?

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9. What is the use of data cleaning?

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10. Data Mining System Classification consists of?

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11. Which of the following is correct application of data mining?

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12. In Data Characterization, class under study is called as?

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13. A sequence of patterns that occur frequently is known as?

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14. __________ refers to the description and model regularities or trends for objects whose behavior changes over time.

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15. Pattern evaluation issue comes under?

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16. "Handling of relational and complex types of data" issue comes under?

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17. Which of the following is correct disadvantage of Query-Driven Approach in Data Warehousing?

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18. The first steps involved in the knowledge discovery is?

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19. In which step of Knowledge Discovery, multiple data sources are combined?

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20. DMQL stands for?

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Index of Questions