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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Machine Learning Model Optimization | 25% | - Model Tuning and Evaluation
|
| Topic 2: Deployment and Operationalization | 15% | - Model Deployment
|
| Topic 3: Data Governance and MLOps | 15% | - Governance and Operations
|
| Topic 4: Data Preparation and Feature Engineering | 20% | - Feature Engineering Techniques
|
| Topic 5: Data Engineering Pipeline Optimization | 25% | - Pipeline Design and Performance
|
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
1. What is characteristic of HBase?
A) Tool that combines SQL, streaming, and complex analytics
B) Tool that performs real-time write operations on large datasets using Key/Value pairs
C) Data warehouse infrastructure that can compile SQL queries and run the jobs in cluster
D) High-level language platform for analyzing and querying large data sets stored in HDFS
2. What is a typical task of a data engineer during a data analytics project?
A) Transforming data into a format that can be easily analyzed
B) Presenting financial benefits to executive stakeholders
C) Planning and performing A/B testing
D) Exploring and examining data to find hidden patterns
3. What is the primary purpose of Apache Kafka in a data processing architecture?
A) Processing real-time data streams
B) Running machine learning algorithms
C) Running complex SQL queries
D) Storing historical data
4. Which of the following best describes the purpose of database normalization in a relational database schema?
A) Increasing data security
B) Enforcing referential integrity
C) Reducing data redundancy
D) Improving query performance
5. Which Cassandra data type represents a collection of key-value pairs, and is represented in curly brackets ({, }) and colon (:)?
A) Map
B) Set
C) UUID
D) List
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
