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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Troubleshooting & Workload Management | 10% | - Bottleneck identification and resolution - Performance monitoring and logging - Cluster resource allocation |
| Topic 2: Governance, Security & Compliance | 15% | - Security and privacy protection - Data governance policies - Regulatory compliance |
| Topic 3: Streaming & IoT Data Processing | 15% | - Stream processing optimization - Real-time ingestion frameworks - Pravega, Kafka, NiFi usage |
| Topic 4: Data Pipeline Optimization | 20% | - ETL/ELT workflow optimization - Design scalable and efficient data pipelines - Reduce latency and improve throughput |
| Topic 5: Data Processing Frameworks | 22% | - Apache Spark optimization - Hadoop ecosystem tuning - Batch and real-time processing optimization |
| Topic 6: Storage & Data Management | 18% | - Distributed storage system optimization - SQL/NoSQL performance tuning - Data formats, partitioning, and indexing |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
1. What enables Pravega to rapidly ingest streaming data into durable storage?
A) MongoDB
B) Apache Spark
C) Append-only logs
D) Relational database schema
2. Match each Apache Kafka component with its description.
3. What is a common approach to handling errors and failures in data pipelines?
A) Allowing errors to propagate to end-users
B) Ignoring errors and continuing execution
C) Relying solely on input data validation
D) Implementing robust error handling and retries
4. What is the data governance role that leverages the data for business purposes, such as increasing sales or reducing manufacturing costs?
A) Security specialist
B) Data steward
C) End user
D) Data custodian
5. Which of the following best describes the purpose of database normalization in a relational database schema?
A) Improving query performance
B) Enforcing referential integrity
C) Reducing data redundancy
D) Increasing data security
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: Only visible for members | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: C |
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