Exam Name: Dell Data Scientist and Data Engineering Optimize 2023
Certification Provider: EMC
Corresponding Certification: Dell Data Science
Over 58963+ Satisfied Customers
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EMC D-DS-OP-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Troubleshooting & Workload Management | 10% | - Cluster resource allocation - Bottleneck identification and resolution - Performance monitoring and logging |
| Topic 2: Streaming & IoT Data Processing | 15% | - Stream processing optimization - Pravega, Kafka, NiFi usage - Real-time ingestion frameworks |
| Topic 3: Data Processing Frameworks | 22% | - Hadoop ecosystem tuning - Apache Spark optimization - Batch and real-time processing optimization |
| Topic 4: Storage & Data Management | 18% | - SQL/NoSQL performance tuning - Distributed storage system optimization - Data formats, partitioning, and indexing |
| Topic 5: Governance, Security & Compliance | 15% | - Security and privacy protection - Data governance policies - Regulatory compliance |
| Topic 6: Data Pipeline Optimization | 20% | - Reduce latency and improve throughput - ETL/ELT workflow optimization - Design scalable and efficient data pipelines |
EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:
Which layer in the EdgeX Foundry architecture provides a REST API that enables clients to establish new requests?
- A. Application/Export Services
- B. Support Services
- C. Device Services
- D. Core Services
Correct Answer: A 🗳️
Which Cassandra data type represents a collection of key-value pairs, and is represented in curly brackets ({, }) and colon (:)?
- A. List
- B. Set
- C. Map
- D. UUID
Correct Answer: C 🗳️
Which tool provides fine-grained access control and security for Hadoop components?
- A. Apache Ranger
- B. Apache HBase
- C. Apache Atlas
- D. Apache Knox
Correct Answer: A 🗳️
What skill is essential for a data engineer to efficiently transform and clean raw data into usable formats?
- A. ETL (Extract, Transform, Load) processes
- B. Data visualization
- C. Data warehousing
- D. Machine learning
Correct Answer: A 🗳️
In Python, which type of non-linear list always has a common root?
- A. Stacks
- B. Queues
- C. Trees
- D. Graphs
Correct Answer: C 🗳️
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