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EMC D-DS-OP-23 Exam Syllabus Topics:

EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:

1. 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

2. In Python, which type of non-linear list always has a common root?

A) Stacks
B) Queues
C) Graphs
D) Trees

3. Which feature of Apache Kafka makes it suitable for handling high-throughput data streams?

A) Static schema enforcement
B) Only supports batch processing
C) In-memory data storage
D) Partitioning and replication

4. Match each Apache Kafka component with its description.

5. What are two Spark libraries?

A) Spark NoSQL and GraphX
B) Spark SQL and GraphX
C) Spark NoSQL and RDD
D) Spark SQL and RDD

Solutions: