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 Governance and Operations | - Security and compliance considerations - Data quality management - Lifecycle management of data solutions |
| Data Engineering Principles | - ETL/ELT processes - Data pipeline design and orchestration - Data storage architectures (data lakes, warehouses) |
| Machine Learning and Modeling | - Supervised and unsupervised learning - Algorithm selection and tuning - Model evaluation and validation |
| Optimization and Performance | - Optimization techniques for data workflows - Model performance tuning |
| Data Science Foundations | - Feature engineering fundamentals - Statistical analysis and probability concepts - Data exploration and preprocessing |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
What is a difference between Data Governance and Master Data Management (MDM)?
- A. Data Governance is a formalized system of decision making.
MDM is a comprehensive method to link all data elements to a common point of reference. - B. Data governance is an informal system of decision making.
MDM is a formal system of decision making. - C. Data governance focuses mainly on IT practices.
MDM creates the rules and decisions for operational data processes. - D. Data governance implementation involves people, policies, rules, and metrics.
MDM is done automatically with no interference.
Correct Answer: A 🗳️
Which of the following accurately describes Apache Storm? (Select all that apply)
- A. A distributed stream processing system
- B. A machine learning library
- C. A file storage system
- D. A batch processing framework
Correct Answer: A 🗳️
What step in a query plan determines the best execution path for the provided query?
- A. Algebrizer
- B. Parser
- C. Optimizer
- D. Execution
Correct Answer: C 🗳️
In the ELT process, data is transformed after being loaded into the target system.
Which tools can be used for ELT? (Select all that apply)
- A. Amazon Redshift
- B. Apache Hadoop
- C. Microsoft SSIS
- D. Talend
- E. Apache Spark
Correct Answer: C,D,E 🗳️
What is a common application of IoT tools?
- A. Managing relational databases
- B. Processing large-scale batch data
- C. Monitoring real-time sensor data
- D. Analyzing static datasets
Correct Answer: C 🗳️
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