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CompTIA DA0-002 考試大綱：

主題簡介
主題 1
  • This section of the exam measures skills of a Data Governance Associate and introduces principles for keeping data secure, accurate, and compliant. It covers access controls, encryption, classification of sensitive data like PII and PHI, and legal requirements tied to data use. Candidates must know how to apply quality checks, validate data, and manage master data effectively. It also addresses best practices for maintaining integrity through data dictionaries, audits, and standardisation processes.
主題 2
  • 5.0 Data Governance, Quality, and Controls
主題 3
  • Data Concepts and Environments: This section of the exam measures the skills of a Junior Data Analyst and focuses on understanding core data concepts such as database types, schema structures, and data formats. It highlights differences between structured and unstructured data, compares file types like CSV, JSON, and XML, and introduces key ideas about data dimensions and slowly changing dimensions. Knowing how data is stored and organized helps professionals better prepare for analysis and reporting tasks.

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DA0-002認證 - DA0-002新版題庫上線

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最新的 CompTIA Data+ DA0-002 免費考試真題 (Q182-Q187):

問題 #182
Which of the following file types separates data using a delimiter?

答案：A

解題說明：
A CSV file stores data in plain text format where values are separated by a delimiter, typically a comma, making it a standard delimited file type.


問題 #183
A data analyst wants to understand several datasets at the variable level. Which of the following should the analyst consult to find this information?

答案：D

解題說明：
This question pertains to theData Concepts and Environmentsdomain, focusing on documentation for understanding datasets. The analyst needs variable-level details (e.g., field definitions), which points to a specific type of documentation.
* Data lineage (Option A): Data lineage tracks data flow and transformations, not variable definitions.
* Data dictionary (Option B): A data dictionary provides detailed information about variables (e.g., name, type, description), which is exactly what the analyst needs.
* Data flow diagram (Option C): A data flow diagram shows data movement, not variable-level details.
* Data versioning (Option D): Data versioning tracks changes to datasets, not variable definitions.
The DA0-002 Data Concepts and Environments domain includes understanding "data schemas and dimensions," and a data dictionary is the primary tool for variable-level information.
Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 1.0 Data Concepts and Environments.


問題 #184
A database administrator is attempting to load a set of database logs into a software system.
Upon processing the data, the administrator receives a notification that this process failed because the data size is too large for the system memory. Which of the following is the best way for the administrator to correct this issue?

答案：B

解題說明：
Chunking processes large data sets in smaller, manageable pieces, allowing the system to handle the data without exceeding memory limits.


問題 #185
A data analyst is creating a user sentiment analysis for a new product. Which of the following is the best method to acquire the data?

答案：B

解題說明：
Surveying customers is the best method for gathering user sentiment data because it collects direct feedback about opinions, attitudes, and experiences with the product. This provides the qualitative and quantitative information needed to assess customer sentiment accurately.


問題 #186
A company needs to display sales numbers on the intranet. This solution needs to be updated every day before the workday starts. Which of the following is the best solution to meet this objective?

答案：D

解題說明：
A dynamic dashboard that refreshes nightly automatically updates the displayed sales data before employees begin work each day. This provides current information on the intranet without requiring manual report generation or distribution, making it the most efficient and reliable solution.


問題 #187
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