Free CompTIA DA0-001 Exam Dumps and DA0-001 Exam Questions

Question No: 1

MultipleChoice

Given the following data:

Which of the following BEST describes the data set?

Options

AThere is data bias.

BThe data is incomplete.

CThe data is inconsistent.

DThe data is outliers.

Question No: 2

MultipleChoice

Given the table below:

Which of the following variable types BEST describes the ''Year'' column?

Options

ANumeric

BDate

CAlphanumeric

DText

Question No: 3

MultipleChoice

Given the following report:

Which of the following components need to be added to ensure the report is point-in-time and static? (Choose two.)

Options

AA control group for the phrases

BA summary of the KPIs

CFilter buttons for the status

DThe date when the report was last accessed

EThe time period the report covers

FThe date on which the report was run

Question No: 4

MultipleChoice

Given the following data tables:

Which of the following MDM processes needs to take place FIRST?

Options

ACreation of a data dictionary

BCompliance with regulations

CStandardization of data field names

DConsolidation of multiple data fields

Question No: 5

MultipleChoice

Given the following graph:

Which of the following summary statements upholds integrity in data reporting?

Options

ASales are approximately equal for Product A and Product B across all strategies.

BStrategy 4 provides the best sales in comparison to other strategies.

CWhile Strategy 2 does not result in the highest sales of Product D, over all products it appears to be the most effective.

DProduct D should be promoted more than the other products in all strategies.

Question No: 6

MultipleChoice

The number of phone calls that call center receives in a day is an example of:

Options

Acontinuous data.

Bcategorical data.

Cordinal data.

Ddiscrete data.

Question No: 7

MultipleChoice

A company's marketing department wants to do a promotional campaign next month. A data analyst on the team has been asked to perform customer segmentation, looking at how recently a customer bought product, at what frequency, and at what value. Which of the following types of analysis would this practice be considered?

Options

APrescriptive

BTrend

CGap

DCuster

Question No: 8

MultipleChoice

Given the diagram below:

Which of the following data schemas shown?

Options

AKey-value pairs

BOnline transactional processing

CData lake

DRelational database

Question No: 9

MultipleChoice

A customer list from a financial services company is shown below:

A data analyst wants to create a likely-to-buy score on a scale from 0 to 100, based on an average of the three numerical variables: number of credit cards, age, and income. Which of the following should the analyst do to the variables to ensure they all have the same weight in the score calculation?

Options

ARecode the variables.

BCalculate the percentiles of the variables.

CCalculate the standard deviations of the variables.

DNormalize the variables.

Question No: 10

MultipleChoice

A data analyst needs to calculate the mean for Q1 sales using the data set below:

Which of the following is the mean?

Options

A$2,466.18

B$2,667.60

C$3,082.72

D$12,330.88