DA0-002 Dumps PDF 2026 Program Your Preparation EXAM SUCCESS [Q22-Q38]

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DA0-002 Dumps PDF 2026 Program Your Preparation EXAM SUCCESS

Get Perfect Results with Premium DA0-002 Dumps Updated 206 Questions

CompTIA DA0-002 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Data Concepts and Environments	20%	– Database systems and architectures – Cloud and distributed data environments – Foundational concepts of AI and machine learning in data – Data types, structures, and formats
Topic 2: Data Analysis	24%	– Analytical tools and querying languages – Exploratory and confirmatory data analysis – Data modeling and pattern recognition – Statistical methods and techniques
Topic 3: Data Governance, Quality, and Management	14%	– Data privacy, security, and compliance – Data lifecycle management and documentation – Data quality standards and monitoring – Data governance frameworks and policies
Topic 4: Visualization and Reporting	20%	– Design principles for effective visualizations – Dashboard and report development – Communicating insights to stakeholders – Validation and accuracy of reports
Topic 5: Data Acquisition and Preparation	22%	– Data integration and normalization – Data collection methods and sources – Data extraction, transformation, and loading (ETL/ELT) – Data cleaning, validation, and quality improvement

QUESTION 22
A project manager requests an unscheduled report that provides a list of clients. Which of the following frequencies is best for this report?

Annual

Daily

Weekly

Ad hoc

QUESTION 23
Which of the following statistical measures is the most suitable and simple measure of the strengthsimple measure of the strength and direction of the linear relationship between price and volume?

Standard deviation

Interception

Correlation

Covariance

Aggregate

Join

Group

Filter

QUESTION 25
A data analyst receives the following sales data for a convenience store:

The analyst needs to provide information on the products that contain chocolate.
Which of the following RegEx should the analyst use to filter the chocolate products?

Chocolate!

Chocolate$

%Chocolate&

#Chocolate#$

QUESTION 26
A data analyst is following up on a recent, company-wide data audit of customer invoice data.
Which of the following is the best option for the analyst to use?

PCI DSS

GDPR

ISO

PII

QUESTION 27
A data analyst wants to find the mean score that students received in science classes. Given the following tables:

Which of the following will produce the desired results?

COUNT and GROUP

SUM and GROUP

AVERAGE and WHERE

CONCAT and WHERE

QUESTION 28
A grocery store wants to view the revenue from the previous year, highlighting individual departments.
Which of the following is the most appropriate chart to communicate this information?

Gantt

Pie

Area

Line

QUESTION 29
A sales analyst is using the following table to produce a report on January sales data:

Which of the following inconsistencies is present in the data set?

Duplication

Redundancy

Missing values

Outliers

QUESTION 30
A data analyst needs to generate a list of employees who currently live in Dade, FL. Given the following table:

Which of the following SQL statements should the analyst use to complete this task?

SELECT * FROM Employee WHERE emp_city LIKE ‘D%’;

SELECT * FROM Employee WHERE emp_city IN (‘Dade’, ‘FL’);

SELECT * FROM Employee WHERE emp_city = ‘Dade’ OR emp_st = ‘FL’;

SELECT * FROM Employee WHERE emp_city = ‘Dade’ AND emp_st = ‘FL’;

QUESTION 31
A Chief Executive Officer requests a report that must:
* Summarize the company metrics in a simple way.
* Be clear and concise.
* Be easily understood by all company levels.
* Be accessible and updated without manual intervention.
Which of the following communication approaches best meets these requirements?

Executive summary

Slide presentation

Key performance indicator dashboard

Open data portal

QUESTION 32
A manager requests a report that returns results based on a user’s profile. Which of the following best describes this type of report?

Real-time

Static

Dynamic

Snapshot

QUESTION 33
Which of the following best describes the semi-structured data that is gathered when web scraping?

JSON

CSV

CSS

HTML

QUESTION 34
A data analyst receives a flat file that includes dates. The analyst needs to calculate the number of days from the dates on the file to the current date. Which of the following is the best way to complete this task?

Convert data to date format and use date functions.

Validate the date format with logical functions and use date functions to analyze.

Use date functions to analyze the data with no conversion.

Transform data to a numerical value and use mathematical functions.

QUESTION 35
A data analyst needs to derive a new field that flags sales within the month of January from the following sales table:

Which of the following types of functions should the analyst use to achieve the desired results?

Logical

Date

Aggregate

String

QUESTION 36
A data analyst needs to create and deliver a dashboard that displays the company’s financial transactions as they are updated. Which of the following delivery methods should the analyst consider? (Select two).

Real-time

Snapshot

Dynamic

Static

Ad hoc

Time series

QUESTION 37
Which of the following is a NoSQL database?

PostgreSQL

MySQL

Oracle

MongoDB

QUESTION 38
A data engineer needs to create a reporting solution that has predefined filters and the ability to download .csv files. Which of the following is the best solution?

Developing a dynamic dashboard that refreshes daily

Generating a weekly executive summary

Creating a self-service portal on the company’s intranet

Building an email template to request ad hoc reports