Data Mining MCQs

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

A. Market Analysis and Management
B. Corporate Analysis & Risk Management
C. Fraud Detection
D. All of the above

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

A. Study Class
B. Intial Class
C. Target Class
D. Final Class

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

A. Frequent Item Set
B. Frequent Subsequence
C. Frequent Sub Structure
D. All of the above

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

A. Outlier Analysis
B. Evolution Analysis
C. Prediction
D. Classification

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15. Pattern evaluation issue comes under?

A. Mining Methodology and User Interaction Issues
B. Performance Issues
C. Diverse Data Types Issues
D. None of the above

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

A. Mining Methodology and User Interaction Issues
B. Performance Issues
C. Diverse Data Types Issues
D. None of the above

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

A. The Query Driven Approach needs complex integration and filtering processes.
B. It is very inefficient and very expensive for frequent queries.
C. This approach is expensive for queries that require aggregations.
D. All of the above

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

A. Data Integration
B. Data Selection
C. Data Transformation
D. Data Cleaning

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

A. Data Cleaning
B. Data Integration
C. Data Selection
D. Data Transformation

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20. DMQL stands for?

A. Data Mining Query Language
B. Dataset Mining Query Language
C. DBMiner Query Language
D. Data Marts Query Language

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