EMC Dell Data Scientist and Data Engineering Optimize 2023 - D-DS-OP-23 Exam Practice Test
With Apache Kafka, what is an advantage of implementing the Publish/Subscribe messaging system over Point-to-Point messaging system?
Correct Answer: A
Match each Apache Kafka component with its description.
Correct Answer:
Which tool builds batch processing as a special case of stream data processing?
Correct Answer: B
In the ELT process, data is transformed after being loaded into the target system.
Which tools can be used for ELT? (Select all that apply)
Which tools can be used for ELT? (Select all that apply)
Correct Answer: A,C,D
In an Apache Spark Streaming environment, what acts as an entry point to the streaming system and provides methods to create and transform DStreams?
Correct Answer: B
Refer to the exhibit.
Which shows a table named Student.
What changes must be made to the table in order to achieve 1NF?
Which shows a table named Student.
What changes must be made to the table in order to achieve 1NF?
Correct Answer: B
What ordered set of terms refers to the process in which data is sourced from a relational database, enriched and merged with other datasets, then stored in a data lake?
Correct Answer: D
What is metadata in the context of data governance?
Correct Answer: A
Which Apache project focuses on managing and governing metadata for Hadoop ecosystems?
Correct Answer: B
Which component of the Apache Atlas framework allows metadata to be added to the Atlas environment?
Correct Answer: C