About DA0-001 Exam

About CompTIA DA0-001 Exam

Companies are collecting more data than ever, and they need professionals who know how to make sense of it. Data is driving business decisions, marketing strategies, financial forecasting, and security policies. The CompTIA Data+ DA0-001 certification is designed to prove that a professional can analyze, interpret, and manage data efficiently.

Unlike some advanced data science certs that focus on machine learning and artificial intelligence, Data+ is built for those who work with business intelligence, reporting, and structured datasets. It helps professionals understand data quality, visualization techniques, and compliance standards, making them more valuable to employers across industries.

Why Data+ is Becoming a Go-To Certification

Companies are looking for data-literate employees who can pull insights from information and present it in a way that makes sense. This is true for marketing teams, finance departments, IT analysts, and business intelligence groups.

The Data+ certification ensures that a professional understands data governance, visualization, and analysis techniques. This is becoming a fundamental skill for job seekers in many fields, including IT, business analysis, and finance.

Who Can Benefit from the CompTIA Data+ Certification?

This cert isn’t just for IT professionals. It’s useful for anyone who works with data, reporting, or analytics tools.

Best Candidates for Data+ Certification

Business Analysts who use data to create reports and make recommendations
IT Professionals working with database management and security
Marketing Analysts handling customer behavior and sales trends
Financial Analysts using data to track company performance
Database Administrators responsible for storing and maintaining structured data
Entry-Level Data Professionals looking to validate their skills with an industry-recognized cert

Since data-driven decision-making is becoming standard in most industries, Data+ is useful across multiple professions.

How This Certification Can Improve Your Career

With the increasing focus on business intelligence and analytics, more companies want employees who can work with data efficiently. Earning this cert helps candidates stand out in the job market and increase earning potential.

Expected Salaries for Certified Professionals

Entry-Level Data Analysts – $55,000 to $80,000 per year
Business Intelligence Analysts – $80,000 to $110,000 per year
Database Administrators & Data Engineers – $100,000 to $130,000 per year

Companies want professionals who understand structured data, can ensure data accuracy, and communicate insights effectively.

What You Need to Know About the DA0-001 Exam

This exam tests practical skills related to working with data. It focuses on data mining, visualization, governance, and statistical analysis.

Exam Format and Key Details

Number of Questions: 90
Time Limit: 90 minutes
Passing Score: 675 (on a scale of 100-900)
Exam Mode: Available online and at in-person testing centers

The exam mixes multiple-choice and performance-based questions, so candidates must understand how to apply data principles in real-world scenarios.

Main Topics Covered in the Exam

Understanding Data Structures & Databases

Learning how databases store, retrieve, and organize structured data
Recognizing data types, formats, and storage techniques

Data Mining & Statistical Analysis

Understanding how to extract useful insights from raw data
Using basic statistical concepts to measure trends and correlations

Data Visualization & Interpretation

Creating charts, dashboards, and reports for decision-makers
Using Excel, Power BI, and Tableau for data visualization

Data Governance & Compliance

Applying GDPR, HIPAA, and industry-specific regulations
Understanding data privacy, security, and ethical considerations

Improving Data Quality & Cleaning Techniques

Identifying inaccurate, incomplete, and redundant data
Learning best practices for maintaining high-quality datasets

Candidates who focus on practical applications of data tend to perform better in the exam.

Best Strategies to Prepare for the CompTIA Data+ Exam

1. Build a Strong Foundation in Database Management

Many questions require knowledge of SQL, database normalization, and query functions.

2. Practice Data Visualization & Reporting

Since the exam includes interpretation of data reports, candidates should work with Power BI, Tableau, or Excel to create dashboards.

3. Master Data Governance & Security Principles

A portion of the exam tests compliance and ethical data handling, so candidates should study common data privacy regulations.

4. Solve Real-World Data Problems

Instead of just memorizing terms, candidates should work with datasets, analyze trends, and create visual reports.

About DA0-001 Dumps

Why Exam Dumps Help Candidates Pass Faster

Many candidates struggle with data structuring, reporting, and statistical analysis. The Data+ exam isn’t just about definitions, it requires applying concepts in real-world scenarios.

Cert Empire’s PDF exam dumps help candidates become familiar with the question format and key concepts before the exam.

What Makes Cert Empire’s Exam Dumps the Best Study Tool?

Updated questions that reflect the latest DA0-001 exam structure
Scenario-based questions that improve data interpretation skills
Detailed explanations that clarify data analysis concepts
100% PDF format for easy access on any device

Candidates who combine study guides with real exam dumps tend to score higher and pass on their first try.

Why Cert Empire is the Best Source for Data+ Exam Dumps

Cert Empire provides accurate, high-quality dumps designed to help candidates prepare efficiently for their certification exams. Unlike unreliable sources, Cert Empire ensures that every question is based on real Data+ exam content.

Why Cert Empire Stands Out

Authentic exam questions that reflect real test conditions
Clear explanations to improve data analysis knowledge
PDF format for studying on mobile, tablet, or desktop
Reliable support for candidates needing guidance

Candidates who use Cert Empire’s study materials gain better familiarity with data concepts and question patterns, increasing their chances of passing on their first attempt.

FAQs About CompTIA Data+ DA0-001 Certification

Is Data+ a good certification for beginners?

Yes, it is designed for entry-level and mid-level professionals who work with data and analytics.

How long should I study for the Data+ exam?

Most candidates need 50-70 hours of preparation, including hands-on practice with data tools.

What is the pass rate for the Data+ exam?

Pass rates vary, but candidates who use practice exams and dumps perform better.

Can exam dumps help with Data+?

Yes, because they provide real exam-style questions that reinforce key data concepts.

Start Preparing for CompTIA Data+ with Cert Empire’s Exam Dumps

The CompTIA Data+ DA0-001 certification is a great way to prove your expertise in data analysis, visualization, and governance. Candidates who use Cert Empire’s PDF exam dumps get real-world practice questions and detailed explanations that help them pass the exam efficiently.

If you’re serious about earning your Data+ certification in 2025, start preparing with Cert Empire’s trusted exam dumps today.

Exam Demo

CompTIA DA0-001 Free Exam Questions

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Please keep a note that the demo questions are not frequently updated. You may as well find them in open communities around the web. However, this demo is only to depict what sort of questions you may find in our original files.

Nonetheless, the premium exam dumps files are frequently updated and are based on the latest exam syllabus and real exam questions.

1 / 60

Given the following graph:

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

Strategy 4 provides the best sales in comparison to other strategies

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

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

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

2 / 60

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

Logical

Aggregate

Mathematical

3 / 60

Given the following data:

Which of the following BEST describes the data set?

There is data bias

The data is outliers

The data is incomplete

The data is inconsistent

4 / 60

Randy scored 76 on a math test, Katie scored 86 on a science test, Ralph scored 80 on a history test, and Jean scored 80 on an English test. The table below contains the mean and standard deviation of the scores for each of the courses:

Using this information, which of the following students had the BEST score?

Katie

Jean

Ralph

Randy

5 / 60

Given the table below:

Which of the following variable types BEST describes the “Year” column?

Date

Text

Numeric

Alphanumeric

6 / 60

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

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

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

7 / 60

Which of the following statistical methods requires two or more categorical variables?

Z-test

Two-sample t-test

Simple linear regression

Chi-squared test

8 / 60

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?

Pie

Line

Waterfall

Histogram

Scatter pot

9 / 60

Which of the following is a common data analytics tool that is also used as an interpreted, high-level, general-purpose programming language?

SAS

Python

IBM SPSS

Microsoft Power BI

10 / 60

Given the diagram below:

Which of the following data schemas shown?

Data lake

Key-value pairs

Relational database

Online transactional processing

11 / 60

Given the data below:

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

CSV

RTF

XLS

XML

12 / 60

A data analyst must separate the column shown below into multiple columns for each component of the name:

Which of the following data manipulation techniques should the analyst perform?

Parsing

Imputing

Transposing

Concatenating

13 / 60

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 pie chat using the site and percentage of new customers data

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

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

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

14 / 60

Which of the following BEST describes standard deviation?

A measure of how data is distributed

A measure of the amount of dispersion of a set of values

A measure that is used to establish a relationship between two variables

A measure that is used to find the significant difference between variables

15 / 60

An analyst is working with the income data of suburban families in the United States. The data set has a lot of outliers, and the analyst needs to provide a measure that represents the typical income. Which of the following would BEST fulfill the analyst’s goal?

Mean

Mode

Median

Standard deviation

16 / 60

Which of the following variable name formats would be problematic if used in the majority of data software programs?

First_Name_

FirstName

First_Name

First Name

17 / 60

A development company is constructing a new unit 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 unit?

$640,900

$690,000

$702,500

$705,200

18 / 60

A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST likely result in a representative sample?

A systematic survey that is sent to 100 single-family homes in the county

Surveys sent to 100 randomly selected homes that are reflective of the population

Surveys sent to ten randomly selected homes within 5mi (8km) of the county’s office

A stratified phone survey of 100 people that is conducted between 2:00 p.m. and 3:00 p.m

19 / 60

An analyst has generated a report that includes the number of months in the first two quarters of 2019 when sales exceeded $50,000:

Which of the following functions did the analyst use to generate the data in the Sales_indicator column?

Sort

Date

Logical

Aggregate

20 / 60

Which of the following is a characteristic of a relational database?

It has undefined fields

It uses minimal memory

It is structured in nature

It utilizes key-value pairs

21 / 60

Which of the following is an example of a at flat file?

PDF file

CSV file

JPEG file

JSON file

22 / 60

A data analyst needs to present the results of an online marketing campaign to the marketing manager. The manager wants to see the most important KPIs and measure the return on marketing investment. Which of the following should the data analyst use to BEST communicate this information to the manager?

A spreadsheet of the raw data from all marketing campaigns and channels

A summary with statistics, conclusions, and recommendations from the data analyst

A real-time monitor that allows the manager to view performance the day the campaign was launched

A sell-service dashboard that allows the manager to look at the company’s annual budget performance

23 / 60

Which of the following would be considered non-personally identifiable information?

Customer’s name

Cell phone device name

Telephone number

Government ID number

24 / 60

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?

Present a data refresh date at the top of the dashboard

Confirm the dashboard is adhering to the corporate style guide

Display the version number next to each submission on the dashboard

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

25 / 60

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?

Create subscriptions

Deploy to production

Optimize the dashboard

Get stakeholder approval

26 / 60

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

Normalize the variables

Calculate the percentiles of the variables

Calculate the standard deviations of the variables

27 / 60

A database consists of one fact table that is composed of multiple dimensions. Depending on the dimension, each one can be represented by a denormalized table or multiple normalized tables. This structure is an example of a:

Star schema

Snowflake schema

Transactional schema

Non-relational schema

28 / 60

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

A t-test

A link analysis

A performance analysis

An exploratory data analysis

29 / 60

An analysts building a monthly report for production and wants to ensure the audience is aware of its once-a-month cadence. Which of the following is the MOST important to convey that information?

A report summary

The data refresh date

Frequently asked questions

The date of the dashboard build

30 / 60

A research analyst wants to determine whether the data being analyzed is connected to other datapoints. Which of the following is the BEST type of analysis to conduct?

Link analysis

Trend analysis

Performance analysis

Exploratory analysis

31 / 60

Which of the following data manipulation techniques is an example of a logical function?

WHERE

BOOLEAN

AGGREGATE

32 / 60

While reviewing survey data, an analyst notices respondents entered “Jan,” “January,” and “01” as responses for the month of January. Which of the following steps should be taken to ensure data consistency?

Replace any of the responses that have “01”

Sort any of the responses that say “Jan” and update them to “01”

Filter on any of the responses that do not say “January” and update them to “January”

Delete any of the responses that do not have “January” written out

33 / 60

An e-commerce company recently tested a new website layout. The website was tested by a test group of customers, and an old website was presented to a control group. The table below shows the percentage of users in each group who made purchases on the websites:

Which of the following conclusions is accurate at a 95% confidence interval?

The new layout has the lowest conversion rates in the United Kingdom

In France, the increase in conversion from the new layout was not significant

In general, users who visit the new website are more likely to make a purchase

In Germany, the increase in conversion from the new layout was not significant

34 / 60

A recurring event is being stored in two databases that are housed in different geographical locations. A data analyst notices the event is being logged three hours earlier in one database than in the other database. Which of the following is the MOST likely cause of the issue?

The second database is logging incorrectly

The databases are recording different events

The data analyst is not querying the databases correctly

The databases are recording the event in different time zones

35 / 60

An analyst runs a report on a daily basis, and the number of datapoints must be validated before the data can be analyzed. The number of datapoints increases each day by approximately 20% of the total number from the day before. On a given day, the number of datapoints was 8,798. Which of the following should be the total number of datapoints on the next day?

7,038

9,600

10,600

10,800

36 / 60

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

Ordinal data

Discrete data

Continuous data

Categorical data

37 / 60

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

Float

Integer

String

Boolean

38 / 60

Which of the following is a process that is used during data integration to collect, blend, and load data?

ETL

MDM

OLTP

39 / 60

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

Data reporting, Data identification

Fata removal, Data reporting

Data masking, Fata removal

Data encryption, Data masking

Data processing, Data encryption

Data identification, Data processing

40 / 60

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

Which of the following is the mean?

$2,466.18

$2,667.60

$3,082.72

$12,330.88

41 / 60

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?

Mean

Variance

Frequency

Percent change

42 / 60

Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?

Systematic

Stratified

Convenience

Simple random

43 / 60

Which of the following will MOST likely be streamed live?

Flat files

Machine data

Key-value pairs

Delimited rows

44 / 60

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:

Invalid data

Dependent data

Redundant data

Duplicate data

45 / 60

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 scatter plot

A histogram

A heat map

A bar chart

46 / 60

Which of the following would be used to store unstructured data from different sources?

A data lake

A database

A data warehouse

A database management system

47 / 60

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

SAS

Domo

IBM SPSS

Microsoft Excel

48 / 60

Which of the following describes the method of sampling in which elements of data are selected randomly from each of the small subgroups within a population?

Cluster

Stratified

Systematic

Simple random

49 / 60

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

Data retention

Data encryption

Data attribution

Data transmission

50 / 60

Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?

Invalid data

Missing data

Duplicate data

Redundant data

51 / 60

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

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

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

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

52 / 60

A data analyst is asked on the morning of April 9, 2020, to create a sales report that identifies sales year to date. The daily sales data is current through the end of the day. Which of the following date ranges should be on the report?

January 1, 2020 to April 9, 2020

January 1, 2020 to April 1, 2020

January 1, 2020 to April 7, 2020

January 1, 2020 to April 8, 2020

53 / 60

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?

Pie chart

Heat map

Infographic

Scatter plot

54 / 60

An analyst is required to run a text analysis of data that is found in articles from a digital news outlet. Which of the following would be the BEST technique for the analyst to apply to acquire the data?

ETL

Sampling

Data wrangling

Web scraping

55 / 60

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

56 / 60

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

Perform exploratory data analysis

Rephrase the business requirement

Build a mock dashboard/presentation layout

Determine the data necessary for the analysis

57 / 60

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

Dynamic

Real-time

Self-service

58 / 60

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?

Gap

Custer

Trend

Prescriptive

59 / 60

Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?

Missing data

Data outliers

Duplicate data

Invalid data type

60 / 60

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 dashboard with filters at the top that the user can toggle

A static report with a different page for every filtered view

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Exam Title	CompTIA Data+ Certification Exam
Total Questions	360+
Last Update Check	July 17, 2025
Exam Code:	DA0-001
Certification Name	CompTIA Data+

COMPTIA Data+ DA0-001 Exam Dumps 2025

About DA0-001 Exam

About CompTIA DA0-001 Exam

Why Data+ is Becoming a Go-To Certification

Who Can Benefit from the CompTIA Data+ Certification?

Best Candidates for Data+ Certification

How This Certification Can Improve Your Career

Expected Salaries for Certified Professionals

What You Need to Know About the DA0-001 Exam

Exam Format and Key Details

Main Topics Covered in the Exam

Understanding Data Structures & Databases

Data Mining & Statistical Analysis

Data Visualization & Interpretation

Data Governance & Compliance

Improving Data Quality & Cleaning Techniques

Best Strategies to Prepare for the CompTIA Data+ Exam

1. Build a Strong Foundation in Database Management

2. Practice Data Visualization & Reporting

3. Master Data Governance & Security Principles

4. Solve Real-World Data Problems

About DA0-001 Dumps

Why Exam Dumps Help Candidates Pass Faster

What Makes Cert Empire’s Exam Dumps the Best Study Tool?

Why Cert Empire is the Best Source for Data+ Exam Dumps

Why Cert Empire Stands Out

FAQs About CompTIA Data+ DA0-001 Certification

Is Data+ a good certification for beginners?

How long should I study for the Data+ exam?

What is the pass rate for the Data+ exam?

Can exam dumps help with Data+?

Start Preparing for CompTIA Data+ with Cert Empire’s Exam Dumps

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