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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Optimization and Performance | - Optimization techniques for data workflows - Model performance tuning |
| Data Governance and Operations | - Lifecycle management of data solutions - Data quality management - Security and compliance considerations |
| Machine Learning and Modeling | - Model evaluation and validation - Algorithm selection and tuning - Supervised and unsupervised learning |
| Data Engineering Principles | - Data storage architectures (data lakes, warehouses) - Data pipeline design and orchestration - ETL/ELT processes |
| Data Science Foundations | - Data exploration and preprocessing - Statistical analysis and probability concepts - Feature engineering fundamentals |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
You are designing a genomics analysis application and need to set up an Apache Oozie job to execute a single MapReduce workflow at 12:00 AM EST every day.
Which Oozie job type should you implement?
- A. JobTracker
- B. Bundle
- C. Coordinator
- D. Workflow
Correct Answer: C 🗳️
Which characteristic of a relational database ensures that each row in a table is uniquely identifiable?
- A. Foreign key
- B. Joins
- C. Indexing
- D. Primary key
Correct Answer: D 🗳️
Match each data type with its corresponding Redis data structure.
Correct Answer:
How is replication implemented in Redis?
- A. Meta information is generated based on the client-server communication protocol
- B. Client-server communication protocol is used, whereby every client replicates data from the server
- C. The developer copies and pastes the data in multiple databases
- D. Data is shared among many computers to enable fault tolerance and data accessibility
Correct Answer: D 🗳️
What is a privacy regulation that aims to protect the personal data of European Union citizens?
- A. HIPAA
- B. CCPA
- C. GDPR
- D. FERPA
Correct Answer: C 🗳️
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