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EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:

1. What is metadata in the context of data governance?

A) Data quality metrics
B) Data access logs
C) Data about data
D) Data encryption keys

2. You are designing a database for an e-commerce data warehouse. The data is normalized in 1NF format and will be used to create data marts for different departments inside the organization.
Which schema type should be used for this requirement?

A) Graph
B) Star
C) Columnar
D) Highly Normalized

3. Match each Apache Storm component with its description.

4. What is the primary use of sets in Python?

A) Storing hierarchical data
B) Storing unique elements
C) Storing ordered sequences
D) Storing key-value pairs

5. Which skill is crucial for a data engineer to effectively manage and optimize large-scale data processing systems?

A) Front-end development
B) Graphic design
C) Data analysis
D) Cloud computing

Solutions: