Study with D-DS-OP-23 Actual Test Questions

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Updated: Jul 22, 2026

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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
Passing Score:63%
Exam Duration:90 minutes
Exam Format:Multiple Choice, Multiple Response
Real Exam Qty:60
Exam Price:$230 USD
Related Certifications:Dell Data Scientist and Data Engineering Optimize
Available Languages:English
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:

SectionWeightObjectives
Topic 1: Machine Learning Model Optimization25%- Model Tuning and Evaluation
  • 1. Improve model accuracy and efficiency
  • 2. Evaluate model performance metrics
  • 3. Apply hyperparameter tuning techniques
Topic 2: Data Preparation and Feature Engineering20%- Feature Engineering Techniques
  • 1. Evaluate data quality and feature effectiveness
  • 2. Select appropriate data preprocessing methods
  • 3. Optimize feature extraction and transformation
Topic 3: Deployment and Operationalization15%- Model Deployment
  • 1. Monitor model performance and drift
  • 2. Implement model lifecycle management practices
  • 3. Deploy machine learning models into production environments
Topic 4: Data Governance and MLOps15%- Governance and Operations
  • 1. Ensure security, compliance, and reproducibility
  • 2. Implement MLOps workflows and automation
  • 3. Apply data governance principles
Topic 5: Data Engineering Pipeline Optimization25%- Pipeline Design and Performance
  • 1. Implement scalable data processing architectures
  • 2. Optimize data ingestion and transformation workflows
  • 3. Evaluate data pipeline performance bottlenecks

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

1. In Python, which type of non-linear list always has a common root?

A) Graphs
B) Queues
C) Stacks
D) Trees


2. Which of the following are characteristics of the Hadoop ecosystem? (Select all that apply)

A) Single-node architecture
B) Real-time processing
C) Batch processing
D) Low fault tolerance
E) Scalability


3. Which tool provides fine-grained access control and security for Hadoop components?

A) Apache Knox
B) Apache HBase
C) Apache Ranger
D) Apache Atlas


4. In Python, which type of operator is often used in conditional statements to perform Boolean operations?

A) Logical
B) Assignment
C) Bitwise
D) Arithmetic


5. Which characteristic of a relational database ensures that each row in a table is uniquely identifiable?

A) Joins
B) Foreign key
C) Primary key
D) Indexing


Solutions:

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

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