Exam Name: Dell Data Scientist and Data Engineering Optimize 2023
Certification Provider: EMC
Corresponding Certification: Dell Data Science
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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Engineering Principles | - Data pipeline design and orchestration - Data storage architectures (data lakes, warehouses) - ETL/ELT processes |
| Data Science Foundations | - Data exploration and preprocessing - Feature engineering fundamentals - Statistical analysis and probability concepts |
| Data Governance and Operations | - Data quality management - Lifecycle management of data solutions - Security and compliance considerations |
| Machine Learning and Modeling | - Algorithm selection and tuning - Supervised and unsupervised learning - Model evaluation and validation |
| Optimization and Performance | - Optimization techniques for data workflows - Model performance tuning |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
What is a common application of IoT tools?
- A. Analyzing static datasets
- B. Processing large-scale batch data
- C. Monitoring real-time sensor data
- D. Managing relational databases
Correct Answer: C 🗳️
Which of the following are components of the Apache Spark Streaming architecture? (Select all that apply)
- A. HDFS storage
- B. Worker node
- C. Driver node
- D. Discretized streams (DStreams)
- E. Kafka topics
Correct Answer: B,C,D 🗳️
Which encoding standard is used by Python 2 to store strings?
- A. Unicode
- B. ASCII
- C. Binary
- D. Static
Correct Answer: B 🗳️
What ethical principle emphasizes that collected data should be used for its original intended purpose?
- A. Accountability
- B. Transparency
- C. Data minimization
- D. Purpose limitation
Correct Answer: D 🗳️
What is metadata in the context of data governance?
- A. Data about data
- B. Data quality metrics
- C. Data encryption keys
- D. Data access logs
Correct Answer: A 🗳️
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