EMC Dell Data Scientist and Data Engineering Optimize 2023 - D-DS-OP-23 FREE EXAM DUMPS QUESTIONS & ANSWERS]

EMC Dell Data Scientist and Data Engineering Optimize 2023 - D-DS-OP-23 FREE EXAM DUMPS QUESTIONS & ANSWERS

Question 1

Which layer in the EdgeX Foundry architecture provides a REST API that enables clients to establish new requests?

A. Device Services B. Application/Export Services C. Core Services D. Support Services

Discussion 0

Correct Answer: B Vote an answer

Question 2

Refer to the exhibit.

Which shows a table named Student.
What changes must be made to the table in order to achieve 1NF?

A. Make Zip the primary key in the table B. Split table into two tables named Student and DoB C. Split table into two tables named Student and Zip D. Remove duplicate rows in the table

Discussion 0

Correct Answer: D Vote an answer

Question 3

What is the primary advantage of using dictionaries in Python data pipelines?

A. Dictionaries support mathematical operations B. Dictionaries maintain element order C. Dictionaries allow duplicate values D. Dictionaries offer O(1) lookup time

Discussion 0

Correct Answer: D Vote an answer

Question 4

What is the purpose of Apache Airflow?

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

Discussion 0

Correct Answer: D Vote an answer

Question 5

What is a metadata management challenge?

A. Information sources are limited B. Leveraging the information from distributed sources C. Data corruption over time D. Ensuring availability of source systems

Discussion 0

Correct Answer: B Vote an answer

Question 6

What ordered set of terms refers to the process in which data is sourced from a relational database, enriched and merged with other datasets, then stored in a data lake?

A. Atomicity, Consistency, and Isolation B. Extract, Load, and Transform C. Isolation, Atomicity, and Consistency D. Extract, Transform, and Load

Discussion 0

Correct Answer: D Vote an answer