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

1. An organization wants to simplify the data ingestion configuration process through simple click, drag, and drop type actions.
Which tool provides an easy to use graphical user interface for building data pipeline data flows?

A) Apache Airflow
B) Apache Hadoop
C) Apache Pig
D) Apache Spark

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

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

3. What is an advantage of avoiding bias from the data?

A) Reduce misuse of data and facilitate its transparency
B) Minimize transparency at the point of data collection
C) Minimize Bias-Variance trade-off
D) Decrease trust between humans and machines

4. In order for a table to be normalized in 4NF, what two conditions must be met?

A) Table is in BCNF
No multi-valued dependencies exist
B) Table is in BCNF
Multi-valued depen
C) Table is in 3NF
No dependencies exist
D) Table is in 3NF
No multi-valued dependencies exist

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

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

Solutions: