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DA0-001 Practice Questions

CompTIA Data+ Certification Exam

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Question # 1

Which of the following data protection methods provides confidentiality for data in transit?

Options:

A.  

De-identification

B.  

Encryption

C.  

Masking

D.  

Anonymization

Discussion 0
Question # 2

A data analyst has been asked to create a sales report that calculates the rolling 12-month average for sales. If the report will be published on November 1, 2020, which of the following months shouts the report cover?

Options:

A.  

October 1, 2019 to October 31, 2020

B.  

October 31, 2020 to November 1, 2021

C.  

November 1, 2019 to October 31, 2020

D.  

October 31, 2019 to October 31, 2020

Discussion 0
Question # 3

The process of performing initial investigations on data to spot outliers, discover patterns, and test assumptions with statistical insight and graphical visualization is called:

Options:

A.  

a t-test.

B.  

a performance analysis.

C.  

an exploratory data analysis.

D.  

a link analysis.

Discussion 0
Question # 4

An analyst wants to determine whether a relationship between an individual's age and voting preferences exists. Which of the following is the best statistical method for the analyst to use?

Options:

A.  

P-value

B.  

Chi-squared

C.  

F-test

D.  

Z-score

Discussion 0
Question # 5

A quality assurance manager is examining tolerances in Internet of Things sensors. Which of the following is the best measure for the manager to calculate?

Options:

A.  

Standard deviation

B.  

Quartile range

C.  

Median

D.  

Mean

Discussion 0
Question # 6

Which of the following is the best description of discrete data types?

Options:

A.  

Non-numeric data used to describe attributes of a population sample

B.  

The frequency of the number of times each value occurs by using whole numbers

C.  

Numeric values that can be measured on a continuous scale

D.  

Non-numeric data used to describe attributes of a population sample ranked in a specific order

Discussion 0
Question # 7

Which of the following is an example of discrete data?

Options:

A.  

The number of employees at a company

B.  

The amount of rain that falls in a storm

C.  

The temperature at a weather station

D.  

The power consumption in a building

Discussion 0
Question # 8

A sales director has requested a report for individual team members within the division be developed. The director would like the report to be shared with all team members, but individual team members should not be identifiable within the report Which of the following access requirements would support the director's needs?

Options:

A.  

Create an acceptable use policy for the sales data.

B.  

Release the report as user-group-based access and include data masking.

C.  

Get a data use agreement from the individual team members.

D.  

Provide the report based on role and include data encryption.

Discussion 0
Question # 9

An analyst needs to provide a chart to identify the composition between the categories of the survey response data set:

Question # 9

Which of the following charts would be BEST to use?

Options:

A.  

Histogram

B.  

Pie

C.  

Line

D.  

Scatter pot

E.  

Waterfall

Discussion 0
Question # 10

What analytics suite is offered by Microsoft and directly integrates with SQL Server Databases?

Options:

A.  

Qlik.

B.  

Power BI.

C.  

Domo.

D.  

Dataroma.

Discussion 0
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