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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Pipeline Optimization | 20% | - Design scalable and efficient data pipelines - ETL/ELT workflow optimization - Reduce latency and improve throughput |
| Topic 2: Governance, Security & Compliance | 15% | - Regulatory compliance - Data governance policies - Security and privacy protection |
| Topic 3: Monitoring, Troubleshooting & Workload Management | 10% | - Cluster resource allocation - Bottleneck identification and resolution - Performance monitoring and logging |
| Topic 4: Storage & Data Management | 18% | - Data formats, partitioning, and indexing - SQL/NoSQL performance tuning - Distributed storage system optimization |
| Topic 5: Data Processing Frameworks | 22% | - Apache Spark optimization - Batch and real-time processing optimization - Hadoop ecosystem tuning |
| Topic 6: Streaming & IoT Data Processing | 15% | - Stream processing optimization - Real-time ingestion frameworks - Pravega, Kafka, NiFi usage |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
In a relational database, what is a minimal set of attributes to uniquely identify a record in a table?
- A. Foreign key
- B. Super key
- C. Primary key
- D. Candidate key
Correct Answer: C 🗳️
An organization wants to simplify the data ingestion configuration process through simple click, drag, and drop type actions.
Which tool provides an easy to use graphical user interface for building data pipeline data flows?
- A. Apache Spark
- B. Apache Airflow
- C. Apache Hadoop
- D. Apache Pig
Correct Answer: B 🗳️
An organization has decided to structure their governance model to allow either a single individual or a team to control and maintain the master data.
Which governance model is being implemented?
- A. Federated
- B. Centralized
- C. Hybrid
- D. Distributed
Correct Answer: B 🗳️
Why is Python commonly used for building data pipelines?
- A. It only supports batch processing
- B. It has no libraries for data manipulation
- C. Its readability and extensive libraries
- D. It requires compilation for execution
Correct Answer: C 🗳️
An organization has implemented an IoT solution in their environment to gain competitive advantage.
This solution generates huge volumes of streaming data from different sources.
The organization wants to leverage this data to provide predictive, actionable results. They need a real- time data processing tool that can process the data using a fault-tolerant, horizontally scalable method.
Which tool should the organization use?
- A. Apache Storm
- B. Apache Ranger
- C. Apache Ambari
- D. Apache Oozie
Correct Answer: A 🗳️
