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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Streaming & IoT Data Processing | 15% | - Real-time ingestion frameworks - Pravega, Kafka, NiFi usage - Stream processing optimization |
| Storage & Data Management | 18% | - SQL/NoSQL performance tuning - Data formats, partitioning, and indexing - Distributed storage system optimization |
| Monitoring, Troubleshooting & Workload Management | 10% | - Bottleneck identification and resolution - Performance monitoring and logging - Cluster resource allocation |
| Data Pipeline Optimization | 20% | - Design scalable and efficient data pipelines - Reduce latency and improve throughput - ETL/ELT workflow optimization |
| Governance, Security & Compliance | 15% | - Regulatory compliance - Data governance policies - Security and privacy protection |
| Data Processing Frameworks | 22% | - Hadoop ecosystem tuning - Batch and real-time processing optimization - Apache Spark optimization |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
Which of the following are components of the ETL process? (Select all that apply)
- A. Visualization
- B. Transformation
- C. Transmission
- D. Loading
- E. Extraction
Correct Answer: B,D,E 🗳️
Which of the following are data ingestion tools commonly used in the Hadoop ecosystem? (Select all that apply)
- A. Apache Sqoop
- B. Apache Beam
- C. Apache Kafka
- D. Apache Flume
- E. Apache Flink
Correct Answer: A,C,D 🗳️
What is the fastest data transfer channel for the Flume Agent Architecture?
- A. Memory
- B. File
- C. JDBC
- D. Sink Processor
Correct Answer: A 🗳️
How is replication implemented in Redis?
- A. Data is shared among many computers to enable fault tolerance and data accessibility
- B. Client-server communication protocol is used, whereby every client replicates data from the server
- C. Meta information is generated based on the client-server communication protocol
- D. The developer copies and pastes the data in multiple databases
Correct Answer: A 🗳️
In Python, which data type is one dimensional and immutable?
- A. Array
- B. Set
- C. List
- D. Tuple
Correct Answer: D 🗳️
