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

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

1. What skill is essential for a data engineer to efficiently transform and clean raw data into usable formats?

A) Machine learning
B) ETL (Extract, Transform, Load) processes
C) Data warehousing
D) Data visualization

2. An organization has implemented an IoT solution in their environment to gain competitive advantage.
This solution generates huge volumes of streaming data from different sources.
The organization wants to leverage this data to provide predictive, actionable results. They need a real- time data processing tool that can process the data using a fault-tolerant, horizontally scalable method.
Which tool should the organization use?

A) Apache Storm
B) Apache Oozie
C) Apache Ambari
D) Apache Ranger

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

A) Data governance implementation involves people, policies, rules, and metrics.
MDM is done automatically with no interference.
B) Data governance focuses mainly on IT practices.
MDM creates the rules and decisions for operational data processes.
C) 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.
D) Data governance is an informal system of decision making.
MDM is a formal system of decision making.

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

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

5. 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 steward
C) Data scientist
D) Data engineer

Solutions: