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EMC Dell Data Scientist and Big Data Analytics Foundations 2023 Sample Questions:

1. What activities occur during the discovery phase of the data analytics lifecycle?

A) Build training and test datasets
B) Interview project sponsor and stakeholders
C) Deploy and monitor model performance
D) Perform ETL and data exploration

2. After which phase of the data analytics lifecycleshould you determine the best way to integrate solutions with production systems?

A) Model planning
B) Data preparation
C) Discovery
D) Communicate results

3. The graph represents the plot of WSS as a function of K for a K-means clustering analysis you performed.

Which point in the graph represents the most optimal value of K?

A) C
B) D
C) B
D) A

4. Which chart type is intended to display correlations between sets of numeric data?

A) Line Chart
B) Pie chart
C) Histogram
D) Scatterplot

5. Which participant in a data analytics project is typically responsible for assessing the validity of the model?

A) Data scientist
B) Project manager
C) Business user
D) Project sponsor

Solutions: