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DA0-001 Exam Dumps - CompTIA Data+ Questions and Answers

Question # 4

A healthcare data analyst notices that one data set in the column for BloodPressure contains several outliers that need to be replaced with meaningful values. Which of the following data manipulation techniques should the analyst use?

Options:

A.

Recode

B.

Impute

C.

Append

D.

Reduction

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Question # 5

An analyst is explaining the company’s financial systems and reporting tools to a new coworker. Which of the following data quality dimensions are the most important? (Select three).

Options:

A.

Data formatting

B.

Data accuracy

C.

Data maturity

D.

Data field

E.

Data completeness

F.

Data consistency

G.

Data diversity

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Question # 6

Which of the following best describes an exploratory analysis?

Options:

A.

Involves the use of descriptive statistics to understand observations

B.

Involves analysis of exploring data sets for performance tracking

C.

Involves the testing of specific hypotheses

D.

Involves the use of arithmetic algebra to determine the distribution

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Question # 7

A database administrator needs to ensure only approved users can access specific database tables to perform financial functions. Which of the following is the best access control method for the administrator to use?

Options:

A.

Role-based

B.

Rule-based

C.

Discretionary

D.

Group-based

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Question # 8

A sales team wants visibility of current sales numbers, pipeline, and team performance. The team would also like to see calculations of individuals’ earned commissions and projected commissions based on sales, but they want that information to be kept confidential. Which of the following would be the BEST way to provide this visibility?

Options:

A.

Create a dashboard displaying a data refresh date so users know the current sales numbers and configure permissions to control access.

B.

Create a dashboard for sales numbers, pipeline, and team and individual performance for the management team.

C.

Create a dashboard with filters for the overall team, individuals, and management. Users can filter to see the data they want.

D.

Create a dashboard with views for team, individuals, and management. Configure permissions to control access.

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Question # 9

Which of the following are the first steps a company should take after discovering a data breach? (Select two).

Options:

A.

Delete data.

B.

Notify affected users.

C.

Assess the breach.

D.

Back up the system.

E.

Issue a press release.

F.

Delay reporting.

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Question # 10

A data analyst needs to create a weekly recurring report on sales performance and distribute it to all sales managers. Which of the following would be the BEST method to automate and ensure successful delivery for this task?

Options:

A.

Use scheduled report delivery.

B.

Implement subscription access delivery.

C.

Print out a copy.

D.

Upload the report to the server.

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Question # 11

Which of the following is a control measure for preventing a data breach?

Options:

A.

Data transmission

B.

Data attribution

C.

Data retention

D.

Data encryption

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Question # 12

A database administrator is required to mask certain table columns containing PII in order to comply with the company privacy policy. Which of the following are the most likely types of information the administrator should mask? (Select two).

Options:

A.

Government-issued ID

B.

Address

C.

Order ID

D.

Order date

E.

Customer ID

F.

Referral number

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Question # 13

An analyst wants to extract data from a variety of sources and store the data in a cloud-based environment prior to cleaning. Which of the following integration techniques should the analyst use?

Options:

A.

ETL

B.

API

C.

SQL

D.

ELT

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Exam Code: DA0-001
Exam Name: CompTIA Data+ Certification Exam
Last Update: Mar 29, 2025
Questions: 363
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