Exam Code: D-DS-OP-23
Exam Name: Dell Data Scientist and Data Engineering Optimize 2023
Certification Provider: EMC
Corresponding Certification: Dell Data Science

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Updated: Jul 28, 2026

No. of Questions: 103 Questions & Answers with Testing Engine

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EMC D-DS-OP-23 Exam Overview:

Certification Vendor:	Dell Technologies
Exam Name:	Dell Data Scientist and Data Engineering Optimize 2023
Exam Number:	D-DS-OP-23
Available Languages:	English
Exam Format:	Multiple Choice, Multiple Response
Real Exam Qty:	60
Exam Duration:	90 minutes
Related Certifications:	Dell Data Scientist and Data Engineering Optimize
Exam Price:	$230 USD
Passing Score:	63%
Sample Questions:	EMC D-DS-OP-23 Sample Questions
Exam Way:	Online proctored or authorized Dell Technologies testing center
Pre Condition:	Candidates should possess foundational knowledge of data science, machine learning, and data engineering concepts, along with practical experience using Dell Technologies data analytics solutions.
Official Syllabus URL:	https://education.dell.com/content/emc/en-us/home/certification-overview/find-exam/data-scientist-and-data-engineering-optimize.html

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

Section	Weight	Objectives
Topic 1: Data Governance and MLOps	15%	- Governance and Operations 1. Ensure security, compliance, and reproducibility 2. Implement MLOps workflows and automation 3. Apply data governance principles
Topic 2: Data Engineering Pipeline Optimization	25%	- Pipeline Design and Performance 1. Implement scalable data processing architectures 2. Evaluate data pipeline performance bottlenecks 3. Optimize data ingestion and transformation workflows
Topic 3: Machine Learning Model Optimization	25%	- Model Tuning and Evaluation 1. Evaluate model performance metrics 2. Apply hyperparameter tuning techniques 3. Improve model accuracy and efficiency
Topic 4: Deployment and Operationalization	15%	- Model Deployment 1. Monitor model performance and drift 2. Implement model lifecycle management practices 3. Deploy machine learning models into production environments
Topic 5: Data Preparation and Feature Engineering	20%	- Feature Engineering Techniques 1. Select appropriate data preprocessing methods 2. Optimize feature extraction and transformation 3. Evaluate data quality and feature effectiveness

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

1. What skill is essential for a data engineer to efficiently transform and clean raw data into usable formats?

A) Machine learning
B) Data visualization
C) Data warehousing
D) ETL (Extract, Transform, Load) processes

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

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

3. 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) Storing all data on public GitHub repositories
C) Multi-factor authentication
D) Regularly updating software and patches

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

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

5. With Apache Kafka, what is an advantage of implementing the Publish/Subscribe messaging system over Point-to-Point messaging system?

A) Any message published to a topic is immediately received by all the subscribers to that topic
B) Messages stored are deduplicated automatically to increase the overall storage capacity of a topic
C) Any message published to a topic is received only by a few subscribers to that topic
D) Messages can be dynamically moved between topics to improve the overall throughput of the system

Solutions:

Question # 1
Answer: D

Question # 2
Answer: D

Question # 3
Answer: A,C,D

Question # 4
Answer: A

Question # 5
Answer: A

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