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CompTIA Certification
DA0-002 Exam
CompTIA.DA0-002.v2026-07-25.q125 Dumps

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Question 41

Which of the following is found in metadata?

A.Transformations
B.Data lineage
C.Syntax
D.Variable types

Correct Answer: D

This question pertains to theData Concepts and Environmentsdomain, focusing on the content of metadata.
Metadata describes data attributes, and the task is to identify what it typically includes.
* Transformations (Option A): Transformations (e.g., data cleaning steps) are part of data lineage, not metadata.
* Data lineage (Option B): Data lineage tracks data flow and transformations, which is related to metadata but not a direct component.
* Syntax (Option C): Syntax refers to code structure, not a metadata component.
* Variable types (Option D): Metadata includes information about data fields, such as variable types (e.
g., integer, string), which is a standard component.
The DA0-002 Data Concepts and Environments domain includes understanding "data schemas and dimensions," and metadata typically contains details like variable types to describe the dataset.
Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 1.0 Data Concepts and Environments.

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Question 42

A data engineer needs to create a reporting solution that has predefined filters and the ability to download .csv files. Which of the following is the best solution?

A.Generating a weekly executive summary
B.Building an email template to request ad hoc reports
C.Developing a dynamic dashboard that refreshes daily
D.Creating a self-service portal on the company's intranet

Correct Answer: D

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Question 43

Which of the following data structures would a data engineer most likely receive when using a get command?

A.HTML
B.XLSM
C.CSS
D.JSON

Correct Answer: D

JSON (JavaScript Object Notation) is a common data structure returned by GET requests in APIs and web services. It provides a lightweight, structured format for exchanging data between systems and is widely used for transmitting records, objects, and arrays.

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Question 44

Which of the following AI types is the best option for time-series forecasting?

A.Generative AI
B.Foundational models
C.Natural language processing
D.Robotic process automation

Correct Answer: B

Foundation models are the best option because they can be adapted for a wide range of predictive tasks, including time-series forecasting. These models are trained on large datasets and can identify patterns over time to generate forecasts for future values.

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Question 45

A data analyst is modeling a new data warehouse to analyze sales. One of the requirements is to analyze sales by region. Which of the following best describes the region table?

A.Fact
B.Dimensional
C.Bridge
D.Snowflake

Correct Answer: B

A region table provides descriptive attributes used to categorize and analyze facts such as sales, which makes it a dimension table in a data warehouse schema.

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