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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 Python library formats data into dataframes?

A) Pandas
B) NLTK
C) NumPy
D) scikit-learn

2. What step in a query plan determines the best execution path for the provided query?

A) Optimizer
B) Algebrizer
C) Execution
D) Parser

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

A) Convert all of the data into Java objects
B) Eliminate the need for serialization of the data
C) Ensure no disk space is ever required
D) Control how much memory the runtime operations use

4. What enables Apache Spark to process data more efficiently than Hadoop's MapReduce?

A) Apache Flink is the compute engine
B) Intermediate processing data is always written to disk
C) Data is cached in memory whenever possible
D) JobTracker functionality has been replaced by YARN

5. Which of the following accurately describes Apache Storm? (Select all that apply)

A) A batch processing framework
B) A file storage system
C) A distributed stream processing system
D) A machine learning library

Solutions: