EMC Dell Data Scientist and Data Engineering Optimize 2023 - D-DS-OP-23 Exam Practice Test

A. Data governance implementation involves people, policies, rules, and metrics.
MDM is done automatically with no interference.

B. 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.

C. Data governance focuses mainly on IT practices.
MDM creates the rules and decisions for operational data processes.

D. Data governance is an informal system of decision making.
MDM is a formal system of decision making.

A. Transformation

B. Extraction

C. Visualization

D. Loading

E. Transmission

A. A batch processing engine

B. A graph processing framework

C. A distributed file storage system

D. A stream processing framework

A. Managing hierarchical data

B. Performing complex SQL queries

C. Tracking real-time data streams

D. Storing structured tabular data

A. Relational database schema

B. MongoDB

C. Append-only logs

D. Apache Spark

A. Data analysis

B. Front-end development

C. Cloud computing

D. Graphic design

A. Exploring and examining data to find hidden patterns

B. Presenting financial benefits to executive stakeholders

C. Transforming data into a format that can be easily analyzed

D. Planning and performing A/B testing

A. Messages stored are deduplicated automatically to increase the overall storage capacity of a topic

B. Any message published to a topic is received only by a few subscribers to that topic

C. Any message published to a topic is immediately received by all the subscribers to that topic

D. Messages can be dynamically moved between topics to improve the overall throughput of the system

A. Data access logs

B. Data encryption keys

C. Data quality metrics

D. Data about data