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

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

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

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

2. Match each database type with its description.

3. What is a privacy regulation that aims to protect the personal data of European Union citizens?

A) HIPAA
B) FERPA
C) CCPA
D) GDPR

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

A) Spark SQL
B) Spark HBase
C) Spark Core
D) Spark Cassandra
E) Spark Streaming

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

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

Solutions: