Free EMC D-DS-OP-23 Exam Dumps Questions & Answers

Which Cassandra data type represents a collection of key-value pairs, and is represented in curly brackets ({, }) and colon (:)?

• A.Set
• B.Map
• C.UUID
• D.List

What is a metadata management challenge?

• A.Ensuring availability of source systems
• B.Leveraging the information from distributed sources
• C.Information sources are limited
• D.Data corruption over time

In a data analytics project, what is the primary responsibility of a data engineer?

• A.Conducting statistical analysis
• B.Building data pipelines and ETL processes
• C.Creating data visualizations
• D.Designing machine learning models

What ethical principle emphasizes that collected data should be used for its original intended purpose?

• A.Data minimization
• B.Accountability
• C.Purpose limitation
• D.Transparency

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 Oozie
• B.Apache Ranger
• C.Apache Ambari
• D.Apache Storm