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

Exam Code: D-DS-OP-23

Exam Name: Dell Data Scientist and Data Engineering Optimize 2023

Updated: Nov 02, 2026

Q & A: 103 Questions and Answers

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D-DS-OP-23 exam dumps

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

SectionWeightObjectives
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
Data Preparation and Feature Engineering20%- Feature Engineering Techniques
  • 1. Select appropriate data preprocessing methods
  • 2. Optimize feature extraction and transformation
  • 3. Evaluate data quality and feature effectiveness
Data Governance and MLOps15%- Governance and Operations
  • 1. Apply data governance principles
  • 2. Ensure security, compliance, and reproducibility
  • 3. Implement MLOps workflows and automation
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
Machine Learning Model Optimization25%- Model Tuning and Evaluation
  • 1. Improve model accuracy and efficiency
  • 2. Apply hyperparameter tuning techniques
  • 3. Evaluate model performance metrics

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

Question #1

How is replication implemented in Redis?

  • A. The developer copies and pastes the data in multiple databases
  • B. Meta information is generated based on the client-server communication protocol
  • C. Data is shared among many computers to enable fault tolerance and data accessibility
  • D. Client-server communication protocol is used, whereby every client replicates data from the server
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

Which encoding standard is used by Python 2 to store strings?

  • A. Unicode
  • B. ASCII
  • C. Static
  • D. Binary
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

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

  • A. HDFS storage
  • B. Driver node
  • C. Worker node
  • D. Discretized streams (DStreams)
  • E. Kafka topics
Reveal Solution  Discussion  0

Correct Answer: B,C,D  🗳️

Question #4

Which of the following data structures in Python is immutable?

  • A. Tuple
  • B. Dictionary
  • C. List
  • D. Set
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

What is a metadata management challenge?

  • A. Leveraging the information from distributed sources
  • B. Information sources are limited
  • C. Ensuring availability of source systems
  • D. Data corruption over time
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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