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

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Question 91

A sales analyst is using the following table to produce a report on January sales data:

Which of the following inconsistencies is present in the data set?

A.Duplication
B.Redundancy
C.Missing values
D.Outliers

Correct Answer: A

The record for "Table" in January with the same sales value appears more than once, indicating duplicate entries in the dataset.

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Question 92

A data analyst needs to create a combined report that includes information from the following two tables:

Which of the following query methods should the analyst use for this task?

A.Group
B.Join
C.Union
D.Nested

Correct Answer: C

A union combines rows from two tables with the same structure into a single result set, making it appropriate for merging managers and non-managers into one report.

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Question 93

A data analyst is working on a three-year project to deliver sales reports on a monthly basis. The client wants a thorough analysis into customer profiles for a specific region and month. Which of the following delivery methods best fulfills this request?

A.Dynamic
B.Self-service
C.Ad hoc
D.Dashboard

Correct Answer: C

An ad hoc delivery method is used when a stakeholder requests a detailed, specific analysis that is not part of the standard recurring reports. The request for a thorough analysis of customer profiles for a particular region and month is a targeted, one-time inquiry that is best fulfilled through an ad hoc report.

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Question 94

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 the Data Concepts and Environments domain, 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 95

A data analyst is cleaning up a data set that contains images. The analysts wants to keep everything that was produced within the last 12 months. Which of the following best describes where the analyst should check for the date of creation on these products?

A.The data dictionary of the data set
B.The metadata of each item in the data set
C.The data set creation date on the database
D.The folder creation date on the filesystem

Correct Answer: B

Metadata contains descriptive information about each file or image, including attributes such as creation date, modification date, file size, and format. To determine which images were produced within the last 12 months, the analyst should examine the metadata of each item rather than the creation date of the dataset or folder containing the files.

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