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

1. What is the data governance role that leverages the data for business purposes, such as increasing sales or reducing manufacturing costs?

A) Data steward
B) End user
C) Security specialist
D) Data custodian

2. What is a difference between Data Governance and Master Data Management (MDM)?

A) Data Governance is a formalized system of decision making.
MDM is a comprehensive method to link all data elements to a common point of reference.
B) Data governance is an informal system of decision making.
MDM is a formal system of decision making.
C) Data governance implementation involves people, policies, rules, and metrics.
MDM is done automatically with no interference.
D) Data governance focuses mainly on IT practices.
MDM creates the rules and decisions for operational data processes.

3. In Python, which type of non-linear list always has a common root?

A) Trees
B) Graphs
C) Queues
D) Stacks

4. Which Apache project focuses on managing and governing metadata for Hadoop ecosystems?

A) Apache Hive
B) Apache HBase
C) Apache Ranger
D) Apache Atlas

5. Which of the following are data ingestion tools commonly used in the Hadoop ecosystem? (Select all that apply)

A) Apache Flume
B) Apache Flink
C) Apache Beam
D) Apache Kafka
E) Apache Sqoop

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