41. In data modeling, what is the term for the process of reducing the dimensionality of data while preserving its important features? A. Data Imputation B. Data Reduction C. Feature Engineering D. Data Normalization Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
42. What is the primary purpose of a data pipeline in data modeling? A. To visualize data relationships B. To prepare and transform data for analysis C. To define data attributes and properties D. To calculate summary statistics Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
43. Which data modeling approach is commonly used for representing data as a collection of items with association rules? A. Relational Modeling B. Bayesian Network Modeling C. Association Rule Modeling D. Entity-Relationship Modeling Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
44. In data modeling, what is the term for the process of selecting and combining data from multiple sources for analysis? A. Data Aggregation B. Data Integration C. Data Sampling D. Data Transformation Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
45. What is the primary purpose of a data schema in data modeling? A. To store and manage data for a specific task B. To visualize data relationships C. To define data attributes and properties D. To calculate summary statistics Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
