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October 12, 2023

Using CompTIA Data+ Certification DA0-001 questions can help you build confidence as you prepare for the exam. By practicing with these DA0-001 dumps questions, you will be better prepared and more confident when you take the actual exam. Besides, DA0-001 exam dumps questions cover a wide range of topics that are relevant to the certification exam. By using DA0-001 dumps questions, you will be able to ensure that you have a comprehensive understanding of the material covered on the exam. Practice free CompTIA DA0-001 exam dumps below.

Page 1 of 7

1. A data analyst is asked to create a sales report for the second-quarter 2020 board meeting, which will include a review of the business’s performance through the second quarter. The board meeting will be held on July 15, 2020, after the numbers are finalized.

Which of the following report types should the data analyst create?

Static

Real-time

Self-service

Dynamic

2. What would be an example of an acceptable form of primary identification for the Data+ exam?

Passport.

School ID card.

Employee ID card.

Credit card with photo and signature.

3. An analyst has been tracking company intranet usage and has been asked to create a chat to show the most-used/most-clicked portions of a homepage that contains more than 30 links.

Which of the following visualizations would BEST illustrate this information?

Scatter plot

Heat map

Pie chart

Infographic

4. An analyst is designing a dashboard to determine which site has the highest percentage of new customers. The analyst must choose an appropriate chart to include in the dashboard.

The following data is available:

Which of the following types of charts should be considered to BEST display the data?

Include a bar chart using the site and the percentage of new customers data.

Include a line chart using the site and the percentage of new customers data.

Include a pie chat using the site and percentage of new customers data.

Include a scatter chart using the site and the percent of new customers data.

5. ‘Which of the following is the BEST reason to use database views instead of tables?

Views reduce the need for repetitive, complex data joins.

Views allow for the storage of temporary data. whereas tables do not.

Views allow for the joining of multiple data sources, whereas tables do not.

Views can be used to restrict sensitive information.

6. A sales manager wants quarterly sales reports broken down by unit and week.

Which of the following data output lists includes the most necessary information?

Order number. salesperson. date shipped, recipient address, and price

Item name, salesperson. recipient address, shipping cost. and date shipped

Item number, item name, salesperson. date sold. and price

Item name. salesperson. price. shipping cost. and date shipped

7. Which of the following best describes a business analytics tool with interactive visualization and business capabilities and an interface that is simple enough for end users to create their own reports and dashboards?

Python

Microsoft Power Bl

SAS

8. Mario works with a group of R programmers tasked with copying data from an accounting system into a data warehouse.

In what phase are the group's R skills most relevant?

Extract.

Load.

Transform.

Purge.

9. Refer to the exhibit.

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?

Recode the variables.

Calculate the percentiles of the variables.

Calculate the standard deviations of the variables.

Normalize the variables.

10. Which of the following actions should be taken when transmitting data to mitigate the chance of a data leak occurring? (Choose two.)

Data identification

Data processing

Data Reporting

Data encryption

Data masking

Fata removal

Page 2 of 7

11. Which one of the following values will appear first if they are sorted in descending order?

Aaron.

Molly.

Xavier.

Adam.

12. Refer to the exhibit.

A development company is constructing a new Init in its apartment complex.

The complex has the following floor plans:

Using the average cost per square foot of the original floor plans. which of the following should be the price of the Rose Init?

$640,900

$690,000

$705,200

$702,500

13. 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?

Create an acceptable use policy for the sales data.

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

Get a data use agreement from the individual team members.

Provide the report based on role and include data encryption.

14. Angela is aggregating data from CRM system with data from an employee system.

While performing an initial quality check, she realizes that her employee ID is not associated with her identifier in the CRM system.

What kind of issues is Angela facing? Choose the best answer.

ETL process.

Record linkage.

ELT process.

System integration.

15. What subset of Structured Query Language (SQL) is used to add, remove, modify, or retrieve the information stored within a relational database?

16. An analyst has received the requirements for an internal user dashboard. The analyst confirms the data sources and then creates a wireframe.

Which of the following is the NEXT step the analyst should take in the dashboard creation process?

Optimize the dashboard.

Create subscriptions.

Get stakeholder approval.

Deploy to production.

17. Amanda needs to create a dashboard that will draw information from many other data sources and present it to business leaders.

Which one of the following tools is least likely to meet her needs?

QuickSight.

Tableau.

Power B

SPSS Modeler.

18. Which of the following contains alphanumeric values?

10.1Ε²

13.6

1347

A3J7

19. A publishing group has requested a dashboard to track submissions before publication. A key requirement is that all changes are tracked, as multiple users will be checking out documents and editing them before submissions are considered final.

Which of the following is the BEST way to meet this stakeholder requirement?

Display the version number next to each submission on the dashboard.

Present a data refresh date at the top of the dashboard.

Confirm the dashboard is adhering to the corporate style guide.

Use permissions to ensure users only see certain versions of the submissions.

20. Which of the following is an example of structured data?

A credit card number

An email

A photo

Social media correspondence

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21. Which of the following is the correct data type for text?

Boolean

String

Integer

Float

22. Which of the following is the correct data type for text?

Boolean

String

Integer

Float

23. Refer to the exhibit.

Given the following data tables:

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

Creation of a data dictionary

Compliance with regulations

Standardization of data field names

Consolidation of multiple data fields

24. A data analyst is attempting to understand how ice cream consumption is affected by different attributes. such as cost, temperature. and income level.

Which of the following regression analyses should the data analyst perform to understand this relationship?

Logistic

Ordinary least squares

Cox

Polynomial

25. A table in a hospital database has a column for patient height in inches and a column for patient height in centimeters. This is an example of:

dependent data.

duplicate data.

invalid data

redundant data

26. Which of the following is an example of PII?

Age

Name

Ethnicity

Gender

27. A data analyst wants to create "Income Categories" that would be calculated based on the existing variable "Income".

The "Income Categories" would be as follows:

Income category 1: less than $1.

Income category 2: more than $1 and less than $20,000.

Income category 3: more than $20,001 and less than $40,000.

Income category 4: more than $40,001.

Which of the following data manipulation techniques should the data analyst use to create "Income Categories"?

Data merge

Derived variables

Data blending

Data append

28. Given the data below:

In which of the following file formats is the data presented?

CSV

RIF

XML

29. A data analyst needs to create a data visualization that aids in un the cumulative impact of sequentially introduced values that are positive or negative.

Which of the following data visualization methods should the analyst use?

A bubble chart

A waterfall chart

A scatter plot

A line chart

30. A sales analyst needs to report how the sales team is performing to target.

Which of the following files will be important in determining 2019 performance attainment?

2018 goal data

2018 actual revenue

2019 goal data

019 commission plan

Page 4 of 7

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

Data transmission

Data attribution

Data retention

Data encryption

32. Five dogs have the following heights in millimeters: 300, 430, 170, 470, 600

Which of the following is the mean height for the five dogs?

394mm

405mm

493mm

504mm

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

Qlik.

Power B

Domo.

Dataroma.

34. Which of the following is an example of a discrete variable?

The temperature of a hot tub

The height of a horse

The time to complete a task

The number of people in an office

35. A data analyst has been asked to derive a new variable labeled “Promotion_flag” based on the total quantity sold by each salesperson.

Given the table below:

Which of the following functions would the analyst consider appropriate to flag “Yes” for every salesperson who has a number above 1,000,000 in the Quantity_sold column?

Date

Mathematical

Logical

Aggregate

36. Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?

Rephrase the business requirement.

Determine the data necessary for the analysis.

Build a mock dashboard/presentation layout.

Perform exploratory data analysis.

37. Which of the following statements would be used to append two tables that have the same number of columns?

UNION ALL

MERGE

GROUP BY

JOIN

38. When analyzing the values of two variables, you decide to convert both variables so they are on a scale of 0 to 1.

What term describes this action?

Filtering.

Normalization.

Transposition.

Aggregation.

39. A data analyst has been asked to create an ad-hoc sales report for the Chief Executive Officer (CEO).

Which of the following should be included in the report?

The sales representatives' home addresses.

Line-item SKU numbers.

YTD total sales.

The customers' first and last names.

40. Which of the following is used for calculations and pivot tables?

IBM SPSS

SAS

Microsoft Excel

Domo

Page 5 of 7

41. An analyst needs to conduct a quick analysis.

Which of the following is the FIRST step the analyst should perform with the data?

Conduct an exploratory analysis and use descriptive statistics.

Conduct a trend analysis and use a scatter chart.

Conduct a link analysis and illustrate the connection points.

Conduct an initial analysis and use a Pareto chart.

42. Refer to the exhibit.

Given the following:

Which of the following is the most important thing for an analyst to do when transforming the table for a trend analysis?

Fill in the missing cost where it is null.

Separate the table into two tables and create a primary key

Replace the extended cost field with a calculated field.

Correct the dates so they have the same format.

43. Which of the following will MOST likely be streamed live?

Machine data

Key-value pairs

Delimited rows

Flat files

44. Emma is working in a data warehouse and finds a finance fact table links to an organization dimension, which in turn links to a currency dimension that not linked to the fact table.

What type of design pattern is the data warehouse using?

Star.

Sun.

Snowflake.

Comet.

45. You would like to measure how well an organization is achieving its goals.

What type of analysis should you perform?

Performance analysis.

Outlier analysis.

Predictive analysis.

Trend analysis.

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

continuous data.

categorical data.

ordinal data.

discrete data.

47. A data analyst has been asked to merge the tables below, first performing an INNER JOIN and then a

LEFT JOIN:

Customer Table -

In-store Transactions C

Which of the following describes the number of rows of data that can be expected after performing both joins in the order stated, considering the customer table as the main table?

INNER: 6 rows; LEFT: 9 rows

INNER: 9 rows; LEFT: 6 rows

INNER: 9 rows; LEFT: 15 rows

INNER: 15 rows; LEFT: 9 rows

48. A database consists of one fact table that is composed of multiple dimensions. Each dimension is

represented by a denormalized table.

This structure is an example of a:

non-relational schema.

galaxy schema.

snowflake schema.

star schema.

49. Refer to the exhibit.

Given the following graph:

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

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

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

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

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

50. Which of the following is an example of a data-mining ETL tool?

SSIS

Stata

SPSS

Cognos

Page 6 of 7

51. An analyst is working on a project for a director. During this process. the analyst pulled the data. created summarized tables and graphs with descriptions, created a report summary, and inserted all items into a report.

After writing the report, which of the following would be the most appropriate next step?

Complete an audit on the data pulled for the report.

Complete a check for quality in the report.

Complete a review of the data and a check for consistency

Complete a trend analysis to be included in the report.

52. An analyst is designing a dashboard to determine which site has the highest percentage of new customers. The analyst must choose an appropriate chart to include in the dashboard.

The following data is available:

Which of the following types of charts should be considered to best display the data?

Include a bar chart using the site and the percentage of new customers data.

Include a line chart using the site and the percentage of new customers data.

Include a pie chart using the site and percentage of new customers data.

Include a scatter chart using the site and the percent of new customers data.

53. A Chief Executive Officer (CEO) is requesting more up-to-date sales data for improved visibility prior to month-end. An analyst must determine the frequency of a sales report that was previously distributed on an as-needed basis.

Which of the following would be the most appropriate frequency for this report?

Monthly

Quarterly

Weekly

Every other month

54. Consider the following dataset which contains information about houses that are for sale:

Which of the following string manipulation commands will combine the address and region name columns to create a full address?

full_address------------------------- 85 Turner St, Northern Metropolitan 25 Bloomburg St, Northern

Metropolitan 5 Charles St, Northern Metropolitan 40 Federation La, Northern Metropolitan 55a Park St, Northern Metropolitan

SELECT CONCAT(address, ' , ' , regionname) AS full_address FROM melb LIMIT 5;

SELECT CONCAT(address, '-' , regionname) AS full_address FROM melb LIMIT 5;

SELECT CONCAT(regionname, ' , ' , address) AS full_address FROM melb LIMIT 5

SELECT CONCAT(regionname, '-' , address) AS full_address FROM melb LIMIT 5;

55. A user receives a large custom report to track company sales across various date ranges. The user then completes a series of manual calculations for each date range.

Which of the following should an analyst suggest so the user has a dynamic, seamless experience?

Create multiple reports, one for each needed date range.

Build calculations into the report so they are done automatically.

Add macros to the report to speed up the filtering and calculations process.

Create a dashboard with a date range picker and calculations built in.

56. A data analyst was asked to create a chart that shows the relationship between study hours and exam scores for each student using the data sets in the table below:

Which of the following charts would BEST represent the relationship between the variables?

A histogram

A scatter plot

A heat map

A bar chart

57. The duration of a phone call in milliseconds is an example of:

ordinal data.

nominal data.

boolean data.

continuous data.

58. Which of the following descriptive statistical methods are measures of central tendency? (Choose two.)

Mean

Minimum

Mode

Variance

Correlation

Maximum

59. A data analyst is creating a report that will provide information about various regions, products, and time periods.

Which of the following formats would be the MOST efficient way to deliver this report?

A workbook with multiple tabs for each region

A daily email with snapshots of regional summaries

A static report with a different page for every filtered view

A dashboard with filters at the top that the user can toggle

60. A user imports a data file into the accounts payable system each day. On a regular basis. the field input is not what the system is expecting. so it results in an error for the row and a broken import process. To resolve the issue, the user opens the file, finds the error in the row, and manually corrects it before attempting the import again. The import sometimes breaks on subsequent attempts. though.

Which of the following changes should be made to this process to reduce the number of errors?

Delete all incorrect inputs and upload the corrected file.

Have the user manually review the file for data completeness before loading it

Create a data field to data type validator to run the file through prior to import.

Spot-check the file prior to import to catch and correct field errors.

Page 7 of 7

61. A cereal manufacturer wants to determine whether the sugar content of its cereal has increased over the years.

Which of the following is the appropriate descriptive statistic to use?

Frequency

Percent change

Variance

Mean

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

Which of the following charts would be BEST to use?

Histogram

Pie

Line

Scatter pot

Waterfall

63. 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?

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

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

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

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

64. Refer to the exhibit.

An analyst must obtain the average daily sales for the following week:

Which of the following must the analyst perform to obtain this value?

Data normalization

Data append

Data aggregation

Data blending

65. A data analyst is designing a dashboard that will provide a story of sales and determine which site is providing the highest sales volume per customer. The analyst must choose an appropriate chart to include in the dashboard.

The following data is available:

Which of the following types of charts should be considered?

Include a line chart using the site and average sales per customer.

Include a pie chart using the site and sales to average sales per customer.

Include a scatter chart using sales volume and average sales per customer.

Include a column chart using the site and sales to average sales per customer.

66. Which one of the following would not normally be considered a summary statistic?

z-score.

Mean.

Variance.

Standard deviation.

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