DA0-001 Domain 2: Data Mining, Analysis, and Visualization

The DevOps team is automating releases and must handle missing and dirty data. Which design fits best?

Multiple choice — select one answer

Answer choices

  1. a. Scatter plots and coefficient review
  2. b. Mean, median, variance with context
  3. c. GROUP BY with clear grain definitions
  4. d. Profiling, imputation, and validation rules

Architectural breakdown & explanation

Data quality affects analysis.

Correct answer(s): d. Profiling, imputation, and validation rules

Exam domain: Domain 2: Data Mining, Analysis, and Visualization (35% weight on the official guide).

Official documentation & study links

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