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

Section	Weight	Objectives
Data Governance and MLOps	15%	- Governance and Operations 1. Implement MLOps workflows and automation 2. Apply data governance principles 3. Ensure security, compliance, and reproducibility
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
Machine Learning Model Optimization	25%	- Model Tuning and Evaluation 1. Evaluate model performance metrics 2. Improve model accuracy and efficiency 3. Apply hyperparameter tuning techniques
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
Data Preparation and Feature Engineering	20%	- Feature Engineering Techniques 1. Optimize feature extraction and transformation 2. Evaluate data quality and feature effectiveness 3. Select appropriate data preprocessing methods

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

1. Which layer in the EdgeX Foundry architecture provides a REST API that enables clients to establish new requests?

A) Support Services
B) Core Services
C) Device Services
D) Application/Export Services

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

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

3. Which phase of a data analytics project involves data engineers extracting, transforming, and loading data from various sources into a centralized repository?

A) Data visualization
B) Data modeling
C) Data exploration
D) Data ingestion

4. Which Sqoop validation type checks the row counts between the source and target databases, and tries to ensure that the counts match?

A) ValidationFailureHandler
B) Eval
C) Validator
D) ValidationThreshold

5. What is the default replication factor for HDFS?

A) 3
B) 2
C) 4
D) 6

Solutions:

Question # 1
Answer: D

Question # 2
Answer: C

Question # 3
Answer: D

Question # 4
Answer: D

Question # 5
Answer: A