EMC D-DS-OP-23 : Dell Data Scientist and Data Engineering Optimize 2023
- Exam Code: D-DS-OP-23
- Exam Name: Dell Data Scientist and Data Engineering Optimize 2023
- Updated: Nov 12, 2026
- Q & A: 103 Questions and Answers
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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Processing Frameworks | 22% | - Batch and real-time processing optimization - Hadoop ecosystem tuning - Apache Spark optimization |
| Storage & Data Management | 18% | - Distributed storage system optimization - SQL/NoSQL performance tuning - Data formats, partitioning, and indexing |
| Data Pipeline Optimization | 20% | - Design scalable and efficient data pipelines - Reduce latency and improve throughput - ETL/ELT workflow optimization |
| Streaming & IoT Data Processing | 15% | - Real-time ingestion frameworks - Stream processing optimization - Pravega, Kafka, NiFi usage |
| Monitoring, Troubleshooting & Workload Management | 10% | - Performance monitoring and logging - Cluster resource allocation - Bottleneck identification and resolution |
| Governance, Security & Compliance | 15% | - Regulatory compliance - Security and privacy protection - Data governance policies |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
What is a challenge of managing data pipelines?
- A. Making the data volume consistent, or at least easily predictable
- B. Monitoring is simply accomplished by the end users reporting any data quality issues
- C. Ensuring that proper backups are available in the event of a data corruption
- D. Guaranteeing there is no personally identifiable information in the extracted data
Correct Answer: C 🗳️
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. Coordinator
- C. Bundle
- D. Workflow
Correct Answer: B 🗳️
What is the fastest data transfer channel for the Flume Agent Architecture?
- A. File
- B. Sink Processor
- C. JDBC
- D. Memory
Correct Answer: D 🗳️
In Python, which non-primitive data structure can only be a collection of primitive data types?
- A. Tuple
- B. Dictionary
- C. Array
- D. List
Correct Answer: C 🗳️
Which of the following are key roles in data governance? (Select all that apply)
- A. Data Owner
- B. Chief Information Officer (CIO)
- C. Data Analyst
- D. Data Steward
- E. Data Scientist
Correct Answer: A,B,D 🗳️
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