DELL EMC D-DS-OP-23 Dumps (V8.02) – Confidently Prepare for the Dell Data Engineering Optimize Certification Exam

1. Which of the following describes Apache Flink?

2. Which of the following are characteristics of the Hadoop ecosystem? (Select all that apply)

3. Which skill is crucial for a data engineer to effectively manage and optimize large-scale data processing systems?

4. Which Python library formats data into dataframes?

5. Which of the following are components of the Apache Spark Streaming architecture? (Select all that apply)

6. In Python, which type of operator is often used in conditional statements to perform Boolean operations?

7. What type of expertise is required to be an effective data engineer?

8. In the ELT process, data is transformed after being loaded into the target system.

Which tools can be used for ELT? (Select all that apply)

9. What skill is essential for a data engineer to efficiently transform and clean raw data into usable formats?

10. Match each Apache Storm component with its description.

11. A company needs to fill an opening for a key tactical data governance position. The new hire is to be a subject matter expert on customer data and ensure the data policies and standards are adhered to on a daily basis. This role bridges the gap between a data governance program and its execution.

What is a suitable job title for this role?

12. Which Cassandra data type represents a collection of key-value pairs, and is represented in curly brackets ({, }) and colon (:)?

13. What is the primary purpose of Apache Kafka in a data processing architecture?

14. What enables Pravega to rapidly ingest streaming data into durable storage?

15. What is the purpose of sensor operators in Apache Airflow?

16. Why is it important to control the capabilities of a workload during runtime in Kubernetes?

17. How is replication implemented in Redis?

18. What is a difference between Data Governance and Master Data Management (MDM)?

19. What is the data governance role that leverages the data for business purposes, such as increasing sales or reducing manufacturing costs?

20. What is a characteristic of Pig?

21. What ethical principle emphasizes that collected data should be used for its original intended purpose?

22. Which Sqoop validation type checks the row counts between the source and target databases, and tries to ensure that the counts match?

23. Which IoT data processing tool uses a storage abstraction called Stream for continuous and unbounded data?

24. You are designing a database for an e-commerce data warehouse. The data is normalized in 1NF format and will be used to create data marts for different departments inside the organization.

Which schema type should be used for this requirement?

25. 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?

26. Which of the following are components of the Apache Spark architecture? (Select all that apply)

27. What are three programming languages supported by Apache Spark?

28. What is the primary storage system used by the Hadoop ecosystem?

29. Which of the following are components of the ETL process? (Select all that apply)

30. Which tool builds batch processing as a special case of stream data processing?

31. What is the purpose of memory management in Apache Flink?

32. Match each data type with its corresponding Redis data structure.

33. Understand the current and future states of data governance and identify remaining gaps

34. Which tool provides fine-grained access control and security for Hadoop components?

35. In Python, which primitive data type covers real rational and irrational numbers?