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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Governance and MLOps | 15% | - Governance and Operations
|
| Topic 2: Data Preparation and Feature Engineering | 20% | - Feature Engineering Techniques
|
| Topic 3: Data Engineering Pipeline Optimization | 25% | - Pipeline Design and Performance
|
| Topic 4: Deployment and Operationalization | 15% | - Model Deployment
|
| Topic 5: Machine Learning Model Optimization | 25% | - Model Tuning and Evaluation
|
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
Question #1
Which Apache project focuses on managing and governing metadata for Hadoop ecosystems?
A. Apache Ranger
B. Apache Atlas
C. Apache HBase
D. Apache Hive
Question #2
What is a primary task of a data engineer during a data analytics project?
A. Preparing the Big Data environment to be utilized by data scientists and other business stakeholders
B. Ensuring the successful initiation, planning, design, execution, monitoring, controlling, and closure of the project
C. Installing, configuring, testing, and maintaining operating systems, application software, and system management tools
D. Designing and integrating infrastructure, analyzing algorithms, modifying source code, and writing system instructions
Question #3
What is a common use case for a document-based NoSQL database like MongoDB?
A. Storing structured tabular data
B. Performing complex SQL queries
C. Tracking real-time data streams
D. Managing hierarchical data
Question #4
What is the purpose of Apache Airflow?
A. Data visualization
B. Data processing
C. Workflow automation
D. Data storage
Question #5
What step in a query plan determines the best execution path for the provided query?
A. Parser
B. Optimizer
C. Algebrizer
D. Execution
Solutions:
| Question #1 Correct Answer: B | Question #2 Correct Answer: A | Question #3 Correct Answer: D | Question #4 Correct Answer: C | Question #5 Correct Answer: B |
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