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

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

Question 1

In Python, which non-primitive data structure can only be a collection of primitive data types?

A. List
B. Array
C. Dictionary
D. Tuple

Question 2

What is a primary task of a data engineer during a data analytics project?

A. Installing, configuring, testing, and maintaining operating systems, application software, and system management tools
B. Designing and integrating infrastructure, analyzing algorithms, modifying source code, and writing system instructions
C. Ensuring the successful initiation, planning, design, execution, monitoring, controlling, and closure of the project
D. Preparing the Big Data environment to be utilized by data scientists and other business stakeholders

Question 3

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

A. UUID
B. List
C. Set
D. Map

Question 4

What is the primary use of sets in Python?

A. Storing unique elements
B. Storing ordered sequences
C. Storing hierarchical data
D. Storing key-value pairs

Question 5

What are two Spark libraries?

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

Solutions: