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| Section | Weight | Objectives |
|---|---|---|
| Data Concepts and Environments | 15% | - Data lifecycle and data ecosystems - Data storage systems and platforms - Data types, structures, and file formats |
| Visualization | 20% | - Data storytelling and reporting tools - Chart and dashboard design principles - Visualization best practices |
| Data Analysis | 25% | - Statistical methods and analysis techniques - Trend and pattern identification - Data interpretation and reporting |
| Data Governance, Quality, and Controls | 15% | - Data quality management - Data governance frameworks and policies - Compliance, privacy, and security controls |
| Data Mining | 25% | - Data manipulation and cleaning techniques - Data collection and extraction methods - Data processing and transformation |
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NEW QUESTION # 185
A company has a document that includes the names of key metrics and the standard for how those metrics are calculated company-wide. Which of the following describes this documentation?
Answer: A
NEW QUESTION # 186
The human resources department wants to know the number of employees who earn $125,000 or more. However, the department is concerned about duplicates in the data set. Given the following table:
Which of the following SQL statements resolves this issue?
Answer: A
Explanation:
Counting distinct employee IDs removes duplicates while still restricting the result to employees whose salary is at least $125,000, which returns the number of unique employees meeting the requirement.
NEW QUESTION # 187
A data analyst needs to derive a new field that flags sales within the month of January from the following sales table:
Which of the following types of functions should the analyst use to achieve the desired results?
Answer: D
Explanation:
Logical functions evaluate conditions such as whether the month equals January and can be used to create a flag indicating records that meet this criterion.
NEW QUESTION # 188
Which of the following pieces of information, if made public, results in a data privacy violation?
Answer: C
Explanation:
A driver's license number is personally identifiable information that uniquely identifies an individual and can be used for identity theft or fraud, making its public disclosure a data privacy violation.
NEW QUESTION # 189
A data breach occurs at a company. Which of the following actions should be taken?
Answer: A
Explanation:
A data breach must be reported internally to management and then to appropriate regulatory authorities to ensure proper incident response, legal compliance, and coordinated communication.
NEW QUESTION # 190
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