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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 are components of the ETL process? (Select all that apply)

A) Transformation
B) Transmission
C) Loading
D) Visualization
E) Extraction

2. A company needs to fill an opening for a key tactical data governance position. The new hire is to be a subject matter expert on customer data and ensure the data policies and standards are adhered to on a daily basis. This role bridges the gap between a data governance program and its execution.
What is a suitable job title for this role?

A) Data miner
B) Data scientist
C) Data engineer
D) Data steward

3. In Python, which type of operator is often used in conditional statements to perform Boolean operations?

A) Logical
B) Bitwise
C) Assignment
D) Arithmetic

4. What is the primary storage system used by the Hadoop ecosystem?

A) MongoDB
B) Cassandra
C) HDFS
D) Amazon S3

5. Which of the following best describes the purpose of database normalization in a relational database schema?

A) Improving query performance
B) Increasing data security
C) Enforcing referential integrity
D) Reducing data redundancy

Solutions: