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Free Certified Big Data Professional (CBDP-001) Exam Questions and Answers
Last updated: March 29, 2025
Examtopics Certified Big Data Professional (CBDP-001) Prepaway Real Exam Questions and dumps free download
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Certified Big Data Professional (CBDP-001)
#Question
For enhancing the accuracy of machine learning models, which process is important?
A.
Data Duplication
B.
Feature Selection
C.
Data Archiving
D.
Data Compression
Correct Answer:
B
Feature selection is crucial in improving the accuracy of machine learning models as it involves identifying the most relevant variables for analysis.
#Question
When establishing a data governance framework, which key element should organizations prioritize?
A.
Employee Satisfaction
B.
Additional Costs
C.
Data Security
D.
Increased Revenue
Correct Answer:
C
Data security is a key component of data governance, ensuring that sensitive information is properly protected and managed.
#Question
A data analyst uses SQL to retrieve specific data points. What type of operation is likely being performed?
A.
Data Encryption
B.
Data Extraction
C.
Data Aggregation
D.
Data Transforming
Correct Answer:
B
Data extraction involves pulling specific data from a database using SQL queries, enabling analysis of targeted information.
#Question
What is the primary purpose of data warehousing in analytics?
A.
Real-time Processing
B.
Data Cleaning
C.
Customer Interaction
D.
Historical Data Storage
Correct Answer:
D
Data warehousing focuses on storing historical data, which can be analyzed over time to identify trends and support decision-making processes.
#Question
A team is trying to identify the effectiveness of a new feature in their application. What analysis method should they utilize?
A.
Time Series Analysis
B.
Regression Analysis
C.
Descriptive Statistics
D.
A/B Testing
Correct Answer:
D
A/B testing compares two versions of the application to assess the impact of the new feature, helping determine its effectiveness based on user interactions.
#Question
To effectively analyze customer demographics, what type of data should businesses focus on?
A.
Archived Data
B.
Structured Data
C.
Unstructured Data
D.
Qualitative Data
Correct Answer:
B
Structured data provides clear metrics and categorization, making it ideal for analyzing customer demographics effectively.
#Question
A company wishes to improve the accuracy of its demand forecasting. Which approach could they use?
A.
Predictive Analytics
B.
Data Visualization
C.
Data Duplication
D.
Historical Analysis
Correct Answer:
A
Predictive analytics utilizes historical data along with statistical algorithms to provide more accurate forecasts for future demand.
Certified Big Data Professional (CBDP-001)
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