CompTIA DA0-002 Exam Questions - Real Practice Questions for Guaranteed Success

Question 1

[Data Concepts and Environments]

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

AXML

BHTML

CJSON

DCSV

Correct : D

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AXML

BHTML

CJSON

DCSV

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Question 2

[Data Governance]

A data analyst needs to modify a dashboard that was created by another employee. Upon opening the dashboard, the analyst notices that the information is not loading properly. Which of the following should the analyst do to troubleshoot this error?

AReview the data layer and data source.

BValidate that the database is up-to-date.

CCheck that the program is updated to the latest version.

DEnsure the correct filters are displaying on the dashboard.

Correct : A

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AReview the data layer and data source.

BValidate that the database is up-to-date.

CCheck that the program is updated to the latest version.

DEnsure the correct filters are displaying on the dashboard.

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Question 3

[Data Analysis]

The following SQL code returns an error in the program console:

SELECT firstName, lastName, SUM(income)

FROM companyRoster

SORT BY lastName, income

Which of the following changes allows this SQL code to run?

ASELECT firstName, lastName, SUM(income) FROM companyRoster HAVING SUM(income) > 10000000

BSELECT firstName, lastName, SUM(income) FROM companyRoster GROUP BY firstName, lastName

CSELECT firstName, lastName, SUM(income) FROM companyRoster ORDER BY firstName, income

DSELECT firstName, lastName, SUM(income) FROM companyRoster

Correct : B

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ASELECT firstName, lastName, SUM(income) FROM companyRoster HAVING SUM(income) > 10000000

BSELECT firstName, lastName, SUM(income) FROM companyRoster GROUP BY firstName, lastName

CSELECT firstName, lastName, SUM(income) FROM companyRoster ORDER BY firstName, income

DSELECT firstName, lastName, SUM(income) FROM companyRoster

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Question 4

[Data Concepts and Environments]

Which of the following best explains the purpose of data lineage?

ATo see the steps and path of data flow through different systems

BTo better understand the granularity of data variable relationships

CTo track data transformations from acquisition through reporting

DTo look up data definitions, ensuring consistent use across business units

Correct : C

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ATo see the steps and path of data flow through different systems

BTo better understand the granularity of data variable relationships

CTo track data transformations from acquisition through reporting

DTo look up data definitions, ensuring consistent use across business units

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Question 5

[Visualization and Reporting]

A data analyst is preparing a survey for Paralympic Games athletes. Which of the following should the analyst consider when creating this survey?

AIdioms

BColor contrast

CRefresh speed

DGranularity

Correct : B

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AIdioms

BColor contrast

CRefresh speed

DGranularity

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Master CompTIA DA0-002 Exam with Reliable Practice Questions

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