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

D-DS-OP-23 pass collection

Exam Code: D-DS-OP-23

Exam Name: Dell Data Scientist and Data Engineering Optimize 2023

Updated: Aug 24, 2026

Q & A: 103 Questions and Answers

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

SectionObjectives
Data Science Foundations- Statistical analysis and probability concepts
- Feature engineering fundamentals
- Data exploration and preprocessing
Machine Learning and Modeling- Algorithm selection and tuning
- Model evaluation and validation
- Supervised and unsupervised learning
Data Engineering Principles- Data storage architectures (data lakes, warehouses)
- ETL/ELT processes
- Data pipeline design and orchestration
Optimization and Performance- Optimization techniques for data workflows
- Model performance tuning
Data Governance and Operations- Data quality management
- Lifecycle management of data solutions
- Security and compliance considerations

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 about data
C) Data access logs
D) Data encryption keys


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

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


3. In Python, which primitive data type covers real rational and irrational numbers?

A) Boolean
B) Float
C) Integer
D) String


4. Which phase of a data analytics project involves data engineers extracting, transforming, and loading data from various sources into a centralized repository?

A) Data ingestion
B) Data modeling
C) Data visualization
D) Data exploration


5. Which of the following are security considerations when using cloud services with Hadoop? (Select all that apply)

A) Data encryption in transit and at rest
B) Regularly updating software and patches
C) Multi-factor authentication
D) Storing all data on public GitHub repositories


Solutions:

Question # 1
Answer: B
Question # 2
Answer: A
Question # 3
Answer: B
Question # 4
Answer: A
Question # 5
Answer: A,B,C

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