EMC D-DS-OP-23 : Dell Data Scientist and Data Engineering Optimize 2023

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

1. Which tools are used for security considerations in the Hadoop ecosystem? (Select all that apply)

A) Apache Atlas
B) Apache Knox
C) Apache Sentry
D) Apache Flink
E) Apache Ranger

2. Why is Python commonly used for building data pipelines?

A) It requires compilation for execution
B) It only supports batch processing
C) Its readability and extensive libraries
D) It has no libraries for data manipulation

3. In a data analytics project, what is the primary responsibility of a data engineer?

A) Conducting statistical analysis
B) Designing machine learning models
C) Building data pipelines and ETL processes
D) Creating data visualizations

4. What is the purpose of Apache Airflow?

A) Data visualization
B) Workflow automation
C) Data storage
D) Data processing

5. Which of the following are key roles in data governance? (Select all that apply)

A) Data Owner
B) Data Scientist
C) Data Analyst
D) Chief Information Officer (CIO)
E) Data Steward

Solutions: