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

D-DS-OP-23 real exams

Exam Code: D-DS-OP-23

Exam Name: Dell Data Scientist and Data Engineering Optimize 2023

Updated: Oct 03, 2026

Q & A: 103 Questions and Answers

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

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

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

Question #1
Which of the following are data pipeline best practices? (Select all that apply)

A. Using a single tool for all pipeline components
B. Avoiding error handling and monitoring
C. Ensuring data quality and validation
D. Using a monolithic design for simplicity


Question #2
Which tool builds batch processing as a special case of stream data processing?

A. Apache Flink
B. Apache Oozie
C. Apache Spark
D. Apache Hive


Question #3
Which of the following are components of the Apache Spark Streaming architecture? (Select all that apply)

A. Discretized streams (DStreams)
B. HDFS storage
C. Kafka topics
D. Worker node
E. Driver node


Question #4
An organization has decided to structure their governance model to allow either a single individual or a team to control and maintain the master data.
Which governance model is being implemented?

A. Federated
B. Hybrid
C. Distributed
D. Centralized


Question #5
Match each Apache Storm component with its description.


Solutions:

Question #1
Correct Answer: C
Question #2
Correct Answer: A
Question #3
Correct Answer: A,D,E
Question #4
Correct Answer: D
Question #5
Correct Answer: Only visible for members

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