[Q56-Q71] Certification Training for DA0-002 Exam Dumps Test Engine [2025]

August 1, 2025 admin 0

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Certification Training for DA0-002 Exam Dumps Test Engine [2025]

Aug 01, 2025 Step by Step Guide to Prepare for DA0-002 Exam

NO.56 A data analyst receives the following sales data for a convenience store:
Item
Quantity
Price
Chocolate Bars
7
$1.99
Vanilla Ice Bars
2
$4.99
Chocolate Wafers
6
$0.99
Peanut Butter
2
$2.99
Cups
3
$4.99
Strawberry Jam
3
$4.99
Chocolate Cake
9
$6.99
Milk Chocolate
2
$2.99
Almonds
5
$2.99
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#$

NO.57 Which of the following file types separates data using a delimiter?

XML

HTML

JSON

CSV

NO.58 A data analyst is preparing a survey for Paralympic Games athletes. Which of the following should the analyst consider when creating this survey?

Idioms

Color contrast

Refresh speed

Granularity

NO.59 Which of the following data repositories stores unstructured and structured data?

Data store

Data silo

Data mart

Data lake

NO.60 The sales department wants to include the composition of total sales amounts across all three sales channels in a report. Given the following sample sales table:
Sales channel
Month
Sales (million $)
Digital
January
135
Store
February
145
Online
March
165
Store
April
200
Store
May
125
Online
June
155
Digital
July
120
Online
August
145
Digital
September
160
Which of the following visualizations is the most appropriate?

Pivot table

Pie chart

KPI card

Box plot

NO.61 A data analyst creates a report that identifies the middle 50% of the collected data. Which of the following best describes the analyst’s findings?

Interquartile range

The difference between mode and median

Mean variance

Skewness from the slope

NO.62 Which of the following best describes the method used to combine files, software, and libraries for use on various operating systems and environments?

Package manager

Code repository

Virtual machine

Containerization

NO.63 A data breach occurs at a company. Which of the following actions should be taken?

Make an announcement on social media so customers are aware as soon as possible.

Tell the company management team and then tell regulatory agencies.

Keep the incident a secret until the issue is resolved.

Inform the entire IT sector, but ask for discretion.

NO.64 Which of the following explains the purpose of UAT?

To begin the software application development process to enhance user experience

To ensure all parts of the software application work together after each sprint

To review software application crashes, create patches, and deploy to users

To validate and verify that a software application meets the needs and requirements of users

NO.65 Which of the following is business intelligence software?

SAS

Python

Notepad++

Tableau

NO.66 A data analyst needs to create a combined report that includes information from the following two tables:
Managers table
ID
First_name
Last_name
Job_title
1001
John
Doe
Manager
1002
Jane
Roe
Director
Non-managers table
ID
First_name
Last_name
Job_title
1003
Robert
Roe
Business Analyst
1004
Jane
Doe
Sales Representative
1005
John
Roe
Operations Analyst
Which of the following query methods should the analyst use for this task?

Group

Join

Union

Nested

NO.67 Given the following table:
ID
Value
1
1.5
2
24.456
3
113
Which of the following data types should an analyst use for the numeric values in the Value column?

Double

Float

Boolean

Integer

NO.68 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.

NO.69 Which of the following best describes the function of a data type?

To provide a generic identifier for files used in analysis

To identify the program needed to open a file

To differentiate the real value of the field in its context

To make the addition of individual records simpler

NO.70 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

NO.71 A business intelligence analyst is creating an employee retention dashboard that looks at data from the last five years. The analyst is interested in identifying patterns that can be studied further. Which of the following is the best method to apply to the dashboard?

Predictive

Prescriptive

Diagnostic

Descriptive