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EMC D-DS-OP-23 Exam Syllabus Topics:

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

Question 1

Which Python library formats data into dataframes?

A. NumPy
B. NLTK
C. Pandas
D. scikit-learn

Question 2

What is the purpose of sensor operators in Apache Airflow?

A. Use triggers to report each successive retry
B. Move data sequentially from one system to another
C. Use a poke method to monitor external processes
D. Perform validation checks in parallel

Question 3

Match each data type with its corresponding Redis data structure.

Question 4

What is metadata in the context of data governance?

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

Question 5

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

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

Solutions: