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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Visualization and Reporting | 20% | - Communicating insights to stakeholders - Design principles for effective visualizations - Dashboard and report development - Validation and accuracy of reports |
| Topic 2: Data Analysis | 24% | - Exploratory and confirmatory data analysis - Data modeling and pattern recognition - Analytical tools and querying languages - Statistical methods and techniques |
| Topic 3: Data Governance, Quality, and Management | 14% | - Data quality standards and monitoring - Data governance frameworks and policies - Data lifecycle management and documentation - Data privacy, security, and compliance |
| Topic 4: Data Concepts and Environments | 20% | - Foundational concepts of AI and machine learning in data - Database systems and architectures - Cloud and distributed data environments - Data types, structures, and formats |
| Topic 5: Data Acquisition and Preparation | 22% | - Data extraction, transformation, and loading (ETL/ELT) - Data cleaning, validation, and quality improvement - Data integration and normalization - Data collection methods and sources |
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NEW QUESTION # 172
Which of the following best describes a characteristic of a Boolean?
Answer: B
Explanation:
A Boolean represents a binary condition with only two possible values, typically true or false.
NEW QUESTION # 173
Which of the following tables holds relational keys and numeric values?
Answer: D
NEW QUESTION # 174
While interacting with a data set. a data analyst learns that copies of the data are distributed across several data repositories around the globe. Which of the following concepts best describes this practice?
Answer: C
Explanation:
Replication involves distributing copies of data across multiple locations or systems to ensure accessibility and consistency across environments.
NEW QUESTION # 175
A marketing firm wants to find the average age of its consumers to better promote its products.
Given the following dataset:
Which of the following is the mean of the consumer ages?
Answer: A
NEW QUESTION # 176
Given the following tables:
Which of the following is the best option to display output from FirstName and LastName as FullName?
Answer: C
Explanation:
Concatenation combines multiple text fields into a single field, allowing FirstName and LastName to be merged into FullName.
NEW QUESTION # 177
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