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DA0-002 · domain

Visualization and Reporting

Practise CompTIA Data+ (DA0-002) Visualization and Reporting practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

240 questions57 easy115 medium68 hard

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What to know about Visualization and Reporting

Visualization and Reporting questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Visualization and Reporting exam traps

  • Answering from memory before reading the full scenario.
  • Missing a constraint such as cost, availability, security, scope or command context.
  • Choosing a broad answer when the question asks for the most specific fix.
  • Ignoring why the wrong options are tempting.

Question index

All Visualization and Reporting questions (240)

Click any question to see the full explanation, or start a practice session above.

1

A business analyst creates a one-time report to analyze customer churn for a special project. Which report type is being used?

Easy
2

A data analyst wants to show the relative proportions of defects by type in a manufacturing process. There are 6 defect types. Which chart is most appropriate?

Easy
3

An analyst wants to show the trend of monthly sales over the past two years. Which chart type is most appropriate?

Easy
4

A data analyst wants to visualize the number of website visitors by traffic source (e.g., organic, paid social, email) and also show the proportion of each source within the total. Which chart type is best?

Medium
5

A company uses a dashboard to monitor server uptime. The data is collected every minute, but the dashboard only refreshes every hour. Users see gaps in the line chart. What is the most likely cause, and how should it be fixed?

Hard
6

A data analyst is creating a dashboard for a retail company. The dashboard should provide insights into sales performance across multiple dimensions. Which TWO chart types are best suited for showing the contribution of each product category to total sales?

Medium
7

Which chart type is best for comparing the distribution of a continuous variable across different categories?

Easy
8

A data analyst wants to show the distribution of customer ages for a retail store. The ages are continuous and the analyst needs to visualize the frequency of different age ranges. Which chart type is most appropriate?

Easy
9

A data analyst needs to show the cumulative revenue over time, with emphasis on the total magnitude. Which chart type is most appropriate?

Medium
10

A data analyst needs to visualize the relationship between advertising spend and sales revenue for 50 products. Which chart type is most appropriate?

Easy
11

A business intelligence analyst is designing a dashboard for executives. The dashboard includes revenue, profit margin, and customer satisfaction score. To maximize the data-ink ratio, the analyst should:

Hard
12

An analyst needs to display the number of website visitors per age group (e.g., 18-25, 26-35, 36-45). Which chart type is most appropriate?

Medium
13

In Power BI, a data analyst needs to create a measure that calculates total sales for the current year. Which DAX function should be used?

Hard
14

In Tableau, which of the following is used to create a calculated field that aggregates data at a different level of detail than the view?

Easy
15

A data analyst is creating a dashboard to monitor e-commerce performance. The dashboard will be used by both executives (strategic view) and operations managers (detailed view). The analyst plans to use interactive filters. Which THREE design principles or features are most important to apply for effective dashboard design?

Hard
16

When designing a dashboard for executives, which principle is most important to follow to ensure key information is immediately visible?

Medium
17

A senior data analyst is advising a team on dashboard design principles. Which THREE of the following are recommended best practices? (Choose three.)

Hard
18

Which TWO visualization types are suitable for showing the distribution of a single continuous variable?

Easy
19

A data analyst needs to design a report for two audiences: executives want a high-level trend, and operational managers need current inventory levels. Which approach best satisfies both?

Hard
20

A data analyst needs to visualize the relationship between two continuous variables, such as sales revenue and advertising spend, to identify potential correlation. Which chart type is most appropriate?

Medium
21

In a Power BI report, a data analyst needs to create a measure that calculates the sum of sales only for products that have a profit margin greater than 10%. Which DAX function should be used to filter the calculation?

Hard
22

A data analyst is presenting a story about why customer churn increased last quarter. They start by showing the current churn rate, then identify a key event (a pricing change), and finally show the impact of a proposed retention campaign. This structure follows which narrative arc?

Medium
23

Which TWO are common mistakes when creating data visualizations?

Easy
24

In Tableau, an analyst wants to create a parameter that allows users to select a threshold for highlighting products with sales above that value. The parameter is used in a calculated field that returns TRUE if sales exceed the parameter value. Which type of calculated field is this?

Hard
25

A data analyst wants to show the correlation between advertising spend and website traffic. Which chart type should they use?

Medium
26

A business analyst wants to compare the proportion of total sales contributed by each product category in the current year. Which visualization is most suitable?

Medium
27

A data analyst wants to show the sales trend for a product over the past 12 months. Which chart type is most appropriate?

Easy
28

A company is implementing a centralized reporting layer to replace departmental spreadsheets. Which TWO benefits are most directly achieved?

Easy
29

A data analyst is creating a dashboard to display monthly sales trends for the past two years. The dataset includes monthly sales figures with seasonal fluctuations. The analyst wants to highlight both the overall trend and the seasonal patterns effectively. Which TWO chart types are most appropriate for this purpose? (Select two.)

Medium
30

A marketing manager wants to visualize the conversion rate at each stage of a sales funnel, from leads to closed deals. The data shows the number of prospects at each stage. Which chart type is most appropriate for this pipeline analysis?

Medium
31

A sales manager wants to display the contribution of each product category to total revenue, with a maximum of six categories. Which chart type is most suitable?

Medium
32

A sales dashboard shows monthly revenue but the bars are very tall for some months and very short for others, making comparisons difficult. Which visualization modification would best improve readability?

Medium
33

A data analyst is troubleshooting a map visualization that shows null values for some regions. Which TWO actions should the analyst take to resolve the issue?

Hard
34

An analyst creates a bar chart showing average sales by region. They want to ensure that the y-axis starts at zero to avoid misleading interpretation. This practice aligns with which dashboard design principle?

Medium
35

A time series dataset has several missing months of data. Which chart type will present the most honest picture of the trend?

Hard
36

Which TWO of the following chart types are appropriate for showing the distribution of a continuous variable? (Choose 2.)

Medium
37

A data analyst is creating a weekly KPI email for executives. Which TWO attributes are most important for this type of report?

Medium
38

A data analyst is creating a dashboard for a retail company. Which TWO of the following are considered Key Performance Indicators (KPIs) tied to strategic objectives?

Medium
39

A data analyst is presenting a time-series chart of monthly sales to executives. The sales dropped sharply in March due to a one-time supply chain disruption. Which storytelling technique would best help the audience understand this anomaly?

Hard
40

A data analyst is tasked with visualizing the distribution of customer ages across different regions. The dataset contains outliers. Which chart type best displays the distribution and highlights outliers?

Medium
41

A business analyst is creating a dashboard to monitor sales performance. The primary goal is to quickly identify which regions are underperforming compared to the target. Which design principle is most important to apply?

Medium
42

An analyst creates a pie chart showing market share of four companies: A (45%), B (30%), C (15%), D (10%). A stakeholder complains that it is difficult to compare C and D. Which alternative chart should the analyst recommend?

Easy
43

A dashboard designer is building a sales performance dashboard for executives. According to dashboard design principles, which TWO practices should be applied? (Choose two.)

Easy
44

A data analyst is presenting a story to executives about a decline in sales. The analyst wants to show the key events that led to the decline, such as a product recall and a competitor's launch. Which storytelling technique should be used?

Hard
45

A data analyst wants to show the proportion of total sales for each product category. There are 4 categories. Which chart type is most appropriate?

Easy
46

Which TWO actions are best practices for creating effective data visualizations?

Medium
47

A data analyst needs to visualize the relationship between two continuous variables: advertising spend (in dollars) and monthly sales (in units). Which chart type is most appropriate?

Easy
48

A marketing manager wants to visualize the conversion funnel from website visits to final purchase. Which chart type is most appropriate?

Medium
49

A data analyst needs to visualize the distribution of customer ages in a dataset. The analyst wants to see the frequency of ages grouped into bins. Which chart type should be used?

Medium
50

Which THREE of the following are common mistakes when creating data visualizations? (Choose 3.)

Hard
51

Which TWO color choices are appropriate for a categorical data visualization? (Select two.)

Easy
52

A company needs to visualize monthly sales revenue for the past five years to identify seasonal trends. Which chart type is most appropriate?

Medium
53

An organization is implementing a centralized reporting layer to replace multiple departmental spreadsheets. Which governance principle does this support?

Hard
54

A sales report shows a 10% increase in revenue, but the analyst knows the data has limitations. Which TWO elements should be included to communicate uncertainty? (Select TWO.)

Medium
55

A data analyst needs to visualize the distribution of customer ages in a dataset containing 10,000 records. The analyst wants to see the shape of the distribution and identify any outliers. Which chart type is most appropriate?

Medium
56

An analyst is creating a Tableau dashboard for a logistics company. They need to allow users to filter data by region and time period, and also want to show a tooltip with detailed shipment information. Which THREE Tableau features should be used? (Choose three.)

Hard
57

Which chart type is best for displaying the distribution of a continuous variable, such as the age distribution of customers?

Easy
58

A dashboard uses a heatmap to show sales density by hour and day of week. Users report that the color scale is confusing because some low values appear similar to high values. Which design change improves clarity?

Medium
59

In Looker Studio, a data analyst has two data sources: one with customer IDs and transactions, and another with customer demographics. They need to create a chart that includes fields from both sources. Which feature should they use?

Hard
60

Which report type is best suited for monitoring the real-time status of manufacturing equipment on the factory floor?

Easy
61

A data analyst receives a request from a sales manager for a one-time report on Q4 performance by product line. The report is not expected to be repeated. Which type of report should the analyst create?

Medium
62

A business analyst is asked to distinguish between KPIs and metrics for a new dashboard. According to CompTIA Data+, which TWO statements correctly differentiate KPIs from metrics? (Choose two.)

Medium
63

A marketing analyst needs to answer a one-time question about campaign performance for a specific week. Which report type is appropriate?

Medium
64

A data analyst is designing a dashboard for executives. Which best practice should be followed regarding the placement of key performance indicators (KPIs)?

Easy
65

A data analyst wants to visualize the distribution of customer ages, including quartiles and potential outliers, for a dataset with 10,000 records. Which TWO chart types are appropriate? (Choose two.)

Medium
66

A data analyst is designing a self-service reporting platform for business users. Which TWO practices will help ensure data consistency and trust? (Select TWO.)

Medium
67

A financial analyst needs to show how net income is derived from revenue, costs, and expenses over a period. The chart should highlight the contribution of each component. Which chart type is most appropriate?

Medium
68

A data analyst creates a dashboard showing average order value by region. The chart indicates that one region has an unusually high average. Investigation reveals that the region has very few orders, but one large purchase inflates the average. Which data transformation should the analyst apply to improve the visualization?

Medium
69

A business user wants to explore sales data by creating custom charts and tables without writing SQL queries. Which type of report capability should the BI team provide?

Easy
70

A retail company with 500 stores across North America wants to visualize its sales performance. The dataset includes store ID, region (Northeast, Southeast, Midwest, West), product category (Electronics, Clothing, Home Goods), monthly sales (in dollars), and date (from January 2018 to December 2023). The data has missing values for about 5% of store-month combinations, and a few stores have reported sales that are 10 times higher than the average for their region due to grand opening events. The goal is to create a dashboard that shows monthly sales trends for each region and product category, and allows users to identify which categories are driving growth. Which approach should the analyst take?

Medium
71

A financial report must be retained for seven years to comply with regulatory requirements. This is an example of which data governance principle?

Medium
72

A dashboard designer wants to ensure that the most important metric, such as total revenue, is prominently displayed at the top left. Which dashboard design principle is being applied?

Medium
73

A BI analyst is creating a report in Power BI and needs to calculate the total sales for the current year compared to the previous year. Which DAX function should be used to calculate the previous year's sales?

Medium
74

A data analyst is designing a dashboard for a sales team. Which TWO of the following are key performance indicators (KPIs) rather than operational metrics?

Medium
75

A company's sales report shows revenue of $1.2M, but the calculation method is unclear. What data governance artifact would clarify the definition?

Medium
76

In Looker Studio, you have a data source with daily sales and a separate data source with marketing spend. You want to create a chart that shows sales and marketing spend on the same axis, but the two sources are not joined natively. Which feature should you use to combine them?

Hard
77

A data analyst is creating a dashboard in Looker Studio and needs to combine data from two different data sources using a common field. Which feature should be used?

Medium
78

Which chart type is best for visualizing the correlation between two continuous variables?

Easy
79

A data analyst notices that the sales numbers in a report differ from the numbers in the finance department's spreadsheet. This discrepancy is most likely due to a lack of:

Easy
80

The exhibit shows a SQL query result intended for a bar chart of revenue by region. However, the chart shows only the top 10 regions, but the query returns all regions. What is the most likely cause?

Hard
81

A manager in operations needs a real-time dashboard showing production line status, including machine uptime and error counts. Which type of report is most appropriate?

Medium
82

In Tableau, an analyst wants to create a calculated field that returns the average sales per customer only for customers who have made more than five purchases. Which Tableau function or approach would be most efficient?

Medium
83

An analyst builds a dashboard with a gauge showing 'Current Inventory Level' as a percentage. Stakeholders find the gauge misleading because it always shows near 100% even when inventory is low. What is the most likely issue?

Medium
84

A data analyst needs to communicate the findings of a marketing campaign analysis to the Vice President of Marketing. The VP typically only reads the first paragraph and wants the key takeaway immediately. Which format should the analyst use?

Easy
85

An organization wants to ensure that all reports use the same definitions for metrics like 'Active Customer' to avoid confusion. Which data governance element should be implemented?

Hard
86

A healthcare analyst is creating a report on patient outcomes. To comply with privacy regulations, which action should be taken before publishing?

Medium
87

A data analyst is working in Looker Studio and wants to add a metric that counts the number of unique customers per month. In the context of Looker Studio, which type of field is this metric?

Medium
88

A data analyst wants to compare the total sales of four different product categories for a single year. Which chart type is most appropriate for this comparison?

Easy
89

A data analyst is building a dashboard in Tableau and wants to allow users to select a specific product category and have all charts on the dashboard filter to that category. Which Tableau feature should be used?

Medium
90

An executive dashboard needs to display key performance indicators (KPIs) such as sales growth and customer satisfaction. Which design principle is most important?

Medium
91

A data analyst is building a report in Power BI and needs to create a measure that calculates the total sales for the current year, but only for products that have at least one sale in the previous year. Which DAX function combination is most appropriate?

Hard
92

Which chart type is best for showing the sales pipeline from leads to closed deals, illustrating how many prospects drop off at each stage?

Easy
93

A data analyst creates a bar chart to compare average customer satisfaction scores across five departments. The chart shows very tall bars for three departments and very short bars for two departments, making differences hard to assess. What is the most likely cause and the best fix?

Hard
94

In Tableau, you want to create a view showing the total sales per region, but also want to allow users to filter by year without losing the ability to see all regions. What feature should you use to compute the total sales that ignores the year filter?

Hard
95

A business analyst needs to explain to a sales director that the reported revenue has a 95% confidence interval of ±2%. Which concept is being communicated?

Medium
96

A dashboard should be designed so that the most important metric is prominently displayed. This is an example of which design principle?

Easy
97

A company needs to visualize the trend of monthly sales revenue over the past two years. Which chart type is most appropriate?

Easy
98

A data analyst creates a heatmap to show website click-through rates by hour and day of week. The heatmap uses a green-to-red gradient, but users cannot distinguish between moderate values. What is the best fix?

Hard
99

Which TWO chart types are best suited for visualizing the distribution of a single continuous variable? (Select two.)

Medium
100

A dashboard designer needs to ensure that color choices are accessible to users with color vision deficiencies. Which practice should be followed?

Easy
101

A data analyst is designing a dashboard for executives to monitor company performance. Which THREE practices should the analyst follow to ensure effective storytelling with data? (Select three.)

Hard
102

A data analyst notices that two departments report different revenue totals for the same period. Which data governance issue is most likely?

Hard
103

A data analyst needs to present the correlation between advertising spend and website traffic. Which chart type is most appropriate?

Easy
104

A company wants to show the number of products sold across different categories: Electronics, Clothing, Home Goods, and Books. Which chart type is most appropriate?

Easy
105

A data analyst is creating a dashboard for a sales team. Which TWO actions adhere to dashboard design best practices?

Medium
106

A data analyst creates a bubble chart showing country GDP (x-axis), life expectancy (y-axis), and population (bubble size). However, large bubbles overlap and obscure many data points. Which corrective action should the analyst take?

Hard
107

Which of the following is a key performance indicator (KPI) tied to a strategic objective, as opposed to a metric?

Easy
108

Match each data analysis tool to its primary function.

Medium
109

A financial analyst wants to create a dashboard that shows the monthly profit and loss, highlighting how each component (revenue, cost of goods sold, operating expenses) contributes to the final net profit. Which chart type is most appropriate?

Medium
110

In Power BI, an analyst wants to create a measure that calculates the total sales for the current year up to the latest date in the data. Which DAX function should be used?

Hard
111

Which of the following is a key difference between a Key Performance Indicator (KPI) and a metric?

Easy
112

An analyst has a dataset with monthly sales figures for the past five years. They want to highlight the cumulative effect of sales over time and show the total contribution of each month stacked on top of previous months. Which chart type is most suitable?

Hard
113

You are a data analyst for an e-commerce company. Your team has built a dashboard to monitor daily sales performance across five regions: North, South, East, West, and Central. The dashboard includes a bar chart showing total sales per region, a line chart showing daily sales trend over the past 30 days, and a pie chart showing sales distribution by product category (Clothing, Electronics, Home, Books, Sports). Recently, stakeholders have complained that the pie chart is hard to interpret because the Sports category has very small sales and is barely visible. Also, the bar chart uses a rainbow color scheme that makes it difficult to compare bar heights because the colors are not ordered by magnitude. The line chart is fine. You need to redesign the dashboard to address these issues. Which combination of changes is most appropriate?

Hard
114

A data analyst frequently receives ad hoc requests for the same type of analysis. Which TWO approaches could reduce the number of ad hoc requests?

Medium
115

An executive dashboard must display high-level KPIs such as current revenue, profit margin, and customer count. Which visualization type is most appropriate for each KPI?

Medium
116

A data analyst is creating a self-service reporting environment. Which data governance practice ensures users see only data relevant to their department?

Hard
117

An analyst is creating a report in Power BI and needs to calculate year-to-date total sales compared to the same period last year. Which TWO DAX functions should be used? (Choose two.)

Medium
118

An analyst wants to visualize the relationship between advertising spend (x-axis) and revenue (y-axis) for 100 different products. Each product is in one of three categories. Which chart type best displays this data?

Medium
119

A data analyst creates a weekly KPI dashboard for executives. The analyst notes that the data is updated as of the previous day. Which report quality element should be included?

Medium
120

Which THREE actions improve the accessibility of data visualizations for users with visual impairments? (Select exactly three.)

Hard
121

An analyst creates a stacked bar chart showing quarterly sales by product category. The chart becomes hard to read because some categories have very small contributions. Which redesign is most effective?

Hard
122

An IT operations team monitors 200 servers. Each server reports CPU utilization (0-100%) every five minutes for the past year. The team wants to visualize the data to identify servers that are consistently over 80% utilization and detect any unusual spikes. They have a large dataset with 100,000+ records per server. The current visualization is a single scatter plot with CPU utilization on the y-axis, time on the x-axis, and each server as a different colored point. The chart is extremely cluttered, with points overlapping and colors indistinguishable. What should the team do to improve the visualization?

Hard
123

A data analyst is documenting a report for external stakeholders. Which THREE elements should be included to ensure report quality and transparency?

Medium
124

A dashboard shows sales by region using a map with color intensity. Users complain that two regions with very different sales appear nearly the same color. What is the most likely cause?

Medium
125

A data analyst is creating a report that includes customer names and addresses. To comply with privacy regulations, which TWO actions should the analyst take?

Medium
126

Which TWO actions will improve the readability of a bar chart showing quarterly sales across five regions?

Medium
127

A retail company has collected data on monthly advertising spend (in thousands of dollars) and corresponding sales (in thousands of dollars) over the past 12 months. The analyst creates a scatter plot to visualize the relationship between advertising spend and sales. The plot shows a cluster of points with a positive trend, but there is one extreme outlier where spend was $100,000 but sales were only $20,000. Upon investigation, the analyst discovers that the outlier is due to a data entry error: the sales figure should have been $200,000. The analyst wants to present the overall trend accurately in a meeting. Which course of action should the analyst take first?

Easy
128

In a Power BI report, a user wants to create a measure that calculates total sales for the current year up to today. Which DAX function should they use?

Medium
129

Which TWO are examples of leading indicators in a business context? (Select two.)

Medium
130

A data analyst is preparing a report on regional sales performance. The report will be viewed by regional managers who should only see their own region's data. Which TWO data governance measures are most relevant?

Hard
131

Which TWO of the following are best practices for designing an accessible data visualization? (Choose 2.)

Medium
132

A heat map of store sales by region shows very low correlation between advertising spend and revenue, but a scatter plot of the same data shows a strong positive relationship. What is the most likely cause?

Hard
133

A data analyst needs to display the distribution of customer ages in a dataset containing 10,000 records. Which TWO chart types are appropriate? (Choose two.)

Easy
134

Refer to the exhibit. A data analyst attempts to visualize the dataset but receives a permission error. The analyst's username is 'analyst2'. What is the most likely cause?

Medium
135

A data analyst is creating a dashboard to monitor server CPU utilization over the past 24 hours. Which chart type is most appropriate for showing the trend of CPU usage over time?

Easy
136

A dashboard designer wants to maximize the data-ink ratio. Which action should they take?

Medium
137

A data analyst needs to visualize sales per capita across U.S. states. States with small populations but high sales (e.g., Delaware) appear too prominent on a choropleth map. Which technique best addresses this issue?

Hard
138

A sales analyst is designing a report for the sales team that includes the number of new leads, conversion rate, and total revenue. The team wants to identify which metrics are Key Performance Indicators (KPIs) tied to the strategic goal of increasing revenue. Which TWO of the following should be classified as KPIs?

Medium
139

An analyst is creating a dashboard in Power BI to track sales performance. They want to ensure that when a user selects a specific product category on a slicer, all other visuals on the page filter to show data only for that category. Which TWO actions should the analyst take?

Medium
140

A data analyst needs to visualize the distribution of salaries across departments and also compare the median and identify outliers. Which chart type is most suitable?

Medium
141

A dashboard designer wants to ensure the most important KPI is prominently displayed at the top left. Which design principle is being applied?

Medium
142

Which chart type is best for showing the distribution of a continuous variable, such as customer ages?

Easy
143

A marketing analyst wants to visualize the conversion funnel from website visitors to paying customers. Which TWO chart types are suitable for showing this pipeline? (Choose two.)

Medium
144

An analyst wants to show the distribution of test scores for 500 students. Which visualization type is best for understanding the shape of the distribution?

Easy
145

A data analyst is building a report that includes customer names and addresses. To comply with GDPR, what must the analyst do before publishing the report?

Medium
146

You are a data analyst for a logistics company. The company has a fleet of delivery trucks and tracks performance metrics including delivery time, fuel consumption, and distance traveled. Management wants a dashboard to monitor driver efficiency and identify underperforming drivers. You have access to a dataset with columns: DriverID, Date, RouteID, Distance (miles), FuelUsed (gallons), DeliveryTime (minutes). The dataset contains 10,000 records from the past year. You need to create a visualization that allows management to quickly compare the average fuel efficiency (miles per gallon) of drivers and also see how consistent each driver's efficiency is. Which of the following approaches is the best course of action?

Hard
147

A data visualization specialist needs to display the relationship between advertising spend and revenue for 50 product categories over 12 months. The data has many overlapping points. Which chart type best reveals the correlation and density?

Hard
148

A finance department wants to compare actual expenses against budgeted amounts for each of 10 departments over the past 12 months. They need to show the variance (over/under budget) as well as the trend of expenses over time. The data includes monthly actual and budget figures for each department. The audience is the CFO who needs a quick overview. Which visualization approach should be used?

Medium
149

A data analyst is building a narrative around a quarterly sales decline. The story should follow a narrative arc. Which THREE elements should be included in the story?

Hard
150

An analyst needs to show the part-to-whole relationship of market share among four competitors. Which chart type is most appropriate, considering best practices?

Medium
151

In Power BI, a developer needs to create a measure that calculates total sales for the same period last year. Which DAX function should be used?

Hard
152

A data analyst is creating a dashboard in Tableau to show monthly sales trends. The data source includes daily sales figures. The analyst needs to calculate the cumulative sales for each month and compare it to the same period last year. Which Tableau feature should be used for the year-over-year comparison?

Hard
153

A scatter plot of advertising spend vs. revenue shows no clear correlation, but the analyst suspects a relationship exists. Which addition to the plot could help reveal a hidden trend?

Medium
154

A data analyst wants to visualize the monthly sales trend for the past year. Which chart type is most appropriate?

Easy
155

Which TWO are best practices for designing effective dashboards? (Select exactly two.)

Medium
156

A data analyst is reviewing the quality of a sales report before publishing. Which THREE elements should the analyst include to ensure report quality?

Hard
157

An analyst creates a dashboard with multiple visualizations. Which feature allows users to change the data displayed across all charts simultaneously?

Easy
158

A sales manager receives a daily report at 8 AM via email showing yesterday's sales by region. This is an example of which report type?

Medium
159

A data analyst is creating a report to compare the performance of sales regions across multiple years. The report will be used by regional managers to identify trends. Which visualization approach best supports this?

Hard
160

Which TWO of the following are leading indicators that can help predict future performance?

Medium
161

A data analyst is creating a dashboard in Looker Studio for an e-commerce company. They want to display the average order value by product category, and also allow users to filter by date range. Which combination of elements should be used?

Medium
162

A data analyst in a healthcare organization needs to visualize patient wait times across different departments. The data includes department names (categorical), wait times in minutes (continuous), and time of day. Which THREE chart types could be effectively used to explore this data?

Hard
163

Which TWO chart types are best suited to show the proportion of total sales contributed by each product category? (Select exactly two.)

Medium
164

A data analyst is building a Power BI report to track KPIs for a retail chain. Which TWO of the following are considered leading indicators? (Choose two.)

Medium
165

A marketing team wants to compare the growth rates of four product categories over the last quarter. Which chart type would best display this?

Easy
166

When communicating uncertainty in a report, which of the following is the most appropriate way to convey the reliability of a survey result showing 75% customer satisfaction?

Medium
167

A data analyst is creating a dashboard in Tableau to monitor sales performance. The dashboard will be used by executives to quickly identify trends. Which THREE design principles should the analyst apply?

Medium
168

A sales dashboard shows a map with many overlapping markers in the same city, making it hard to read. What is the best improvement?

Hard
169

Which chart type is best for showing the number of website visitors at each stage of a conversion funnel, from initial visit to purchase?

Easy
170

A data analyst is preparing a report on customer satisfaction scores. To comply with GDPR, which THREE actions must be taken? (Select THREE.)

Hard
171

A data analyst is creating a presentation for executives to explain why customer churn has increased over the last quarter. The analyst wants to present the story in a compelling way. Which narrative structure is most appropriate?

Medium
172

A data analyst needs to compare the salary distribution across five departments. Which visualization is most appropriate?

Medium
173

A data analyst wants to compare the sales revenue of five different product categories for the current month. Which chart type is most suitable for this comparison?

Easy
174

A sales VP wants a quick summary of last month's revenue change and key drivers. Which report section is most relevant?

Easy
175

An analyst needs to create a report in Power BI that shows year-to-date sales compared to the same period last year, with the ability to drill down from year to quarter. Which DAX function combination is most appropriate for the year-to-date calculation?

Hard
176

A data analyst is building a dashboard for executives and wants to ensure the most important metric, total revenue, is immediately visible. Which design principle should the analyst apply?

Medium
177

A marketing team wants to explore the relationship between advertising spend (in dollars) and resulting revenue. Which chart type is most suitable?

Easy
178

A data analyst wants to show the relationship between advertising spend and sales revenue for 50 stores. Which chart type is most appropriate?

Medium
179

An analyst is choosing a chart to show the correlation between two continuous variables. Which TWO chart types could be used? (Select two.)

Medium
180

A marketing team conducted a customer satisfaction survey for five different departments (Sales, Support, Billing, Shipping, Returns). The survey asked customers to rate their satisfaction on a scale of 1 (Very Dissatisfied) to 5 (Very Satisfied). The data is ordinal and the team wants to visualize the distribution of responses for each department to quickly see which department has the most 'Very Satisfied' customers and which has the most 'Very Dissatisfied'. They also want to compare the spread of responses across departments. Which chart type should they use?

Easy
181

Refer to the exhibit. A stakeholder complains that the line chart exaggerates the changes in sales. What is the most likely cause?

Easy
182

In Looker Studio, what is the difference between dimensions and metrics?

Medium
183

A sales manager wants to see the conversion rates at each stage of the sales pipeline, from initial contact to closed deal. Which chart type is most appropriate?

Medium
184

A sales analyst wants to show total sales by product category, with each category's contribution to the total. Which chart type is best?

Easy
185

A dashboard designer wants to highlight the sales performance of individual sales representatives compared to team averages. Which chart type is most suitable for this comparison?

Easy
186

An analyst is presenting a recommendation to increase marketing spend. Which statement best follows the data-driven recommendation structure (evidence → insight → recommendation → expected impact)?

Easy
187

Which THREE are best practices for designing a dashboard for executive consumption?

Hard
188

A data analyst needs to show the relationship between advertising spend (in dollars) and the number of website visits. Both variables are continuous. Which chart type is most suitable?

Easy
189

A financial analyst is creating a quarterly report compliant with SOX. Which requirement is most critical for the report's audit trail?

Hard
190

A sales analyst is building a report to analyze quarterly performance. Which THREE are appropriate uses of a formula language or a data transformation tool? (Select three.)

Hard
191

Which TWO chart types are appropriate for visualizing the distribution of a continuous variable? (Select two.)

Medium
192

A data analyst is designing a dashboard and wants to maximize the data-ink ratio. Which action aligns with this principle?

Medium
193

A data analyst is presenting a story about declining sales. The narrative arc should include which three elements in order?

Hard
194

A data analyst is creating a dashboard and wants to maximize the data-ink ratio. Which action supports this principle?

Medium
195

A retail analyst wants to visualize monthly sales over the past year to identify seasonal patterns. Which chart type is best?

Easy
196

Which THREE factors should be considered when choosing a chart type for a dataset?

Hard
197

A data scientist creates a box plot of employee salaries and notices many outliers above the upper whisker. What action should be taken to best understand the salary distribution?

Hard
198

The exhibit shows a JSON configuration for a line chart that displays average response time over time. However, the chart shows jagged lines with many spikes. Which configuration change would smooth the visualization?

Medium
199

A retail company generates a daily PDF report showing the previous day's sales by region and product category. The report is automatically emailed to store managers at 6:00 AM. Which type of report is this?

Medium
200

A financial analyst is preparing a report that must comply with the Sarbanes-Oxley (SOX) Act. What is the most critical requirement for this report?

Hard
201

A data analyst is presenting a recommendation to reduce inventory costs. The evidence shows that overstocking occurs in 30% of warehouses. Which of the following best structures the recommendation?

Hard
202

The exhibit shows log entries. A data analyst wants to visualize the frequency of each error type over time. Which chart type is most appropriate?

Easy
203

An analyst is creating an executive summary for a quarterly business review. Which THREE components are essential for an effective executive summary?

Hard
204

An analyst recommends a pricing change based on data showing price elasticity. The recommendation includes expected revenue impact. What is this an example of?

Medium
205

A data analyst wants to show the monthly sales trend for the past two years with an emphasis on cumulative growth. Which chart type is most appropriate?

Medium
206

A dashboard needs to show sales trends for each of five regions over the past year. The intended audience wants to compare trends easily. Which chart type is best?

Easy
207

An operations manager needs to monitor manufacturing line status every 15 minutes to identify bottlenecks. Which type of report should be used?

Easy
208

A data analyst is preparing a presentation for the executive team to explain why quarterly revenue fell short of targets. They want to use storytelling with data. Which THREE elements should be included in the narrative arc? (Choose three.)

Hard
209

A data analyst is designing a dashboard for executives. Which best practice should be followed?

Medium
210

A business user wants to explore sales data without relying on the data team. Which report type empowers the user to create their own analysis?

Easy
211

Drag and drop the steps to resolve data integration conflicts in the correct order.

Medium
212

A data analyst wants to visualize the distribution of employee salaries across departments and identify any outliers. Which chart type would best show quartiles, median, and potential outliers?

Medium
213

An analyst creates a scatter plot with three variables: X, Y, and a third variable represented by the size of the markers. This chart is called a:

Hard
214

A data analyst needs to display the distribution of customer ages in a dataset. The ages range from 18 to 85, and the analyst wants to see the shape of the distribution and identify any outliers. Which chart type should be used?

Medium
215

A dashboard designer is creating a KPI dashboard for executives. Which of the following is a leading indicator?

Medium
216

Which THREE are considered best practices in dashboard design? (Select three.)

Hard
217

A data analyst wants to compare the revenue across five different product categories. Which chart type is best suited?

Easy
218

A data analyst is using Power BI to create a report that shows sales by region. The data includes duplicate rows for some transactions due to a data entry error. The analyst needs to count only unique transactions. Which DAX function should be used to create a measure for unique count?

Hard
219

In Tableau, a data analyst creates a calculated field to compute the average sales per customer. The analyst wants this calculation to remain constant regardless of the level of detail in the view. Which Tableau feature should be used?

Hard
220

Refer to the exhibit. What is the best corrective action to resolve this error?

Hard
221

A data analyst is using Tableau to build a dashboard. Which THREE features are available in Tableau for creating interactive dashboards?

Medium
222

A hospital's analytics team has created a dashboard for tracking patient wait times across departments. The dashboard uses a stacked bar chart showing average wait time per department, with each bar segmented by severity level (Low, Medium, High). However, management complains that it is difficult to compare total wait times across departments or identify which department has the highest average wait time. The data itself is accurate and complete. The analyst needs to redesign the visualization to address these concerns. Which course of action should the analyst take?

Hard
223

An analyst is creating a report that includes multiple charts. To ensure the audience quickly grasps the key insight, which principle of data storytelling should be applied?

Medium
224

A data analyst is creating a report on customer satisfaction scores. The analyst wants to ensure that regional managers can only see data for their own region. Which security measure should be applied?

Medium
225

Match each data type to its example.

Medium
226

A data analyst is creating a report in Power BI and needs to calculate the total sales for the current year and the previous year. Which TWO DAX functions can be used to retrieve the previous year's sales?

Hard
227

A data scientist has a dataset with 50 variables and wants to identify clusters of similar observations. Which visualization technique is most suitable for reducing dimensionality to 2D while preserving cluster structure?

Hard
228

An analyst creates a histogram of customer transaction amounts but observes that the distribution looks bimodal. Upon review, the analyst realizes that two different customer segments (retail and wholesale) were combined. Which action best addresses this?

Hard
229

A data analyst is building a self-service reporting environment. Which of the following is the primary benefit of this approach?

Medium
230

A dashboard designer is creating a sales performance dashboard and wants to minimize non-data ink to improve clarity. Which action best follows the principle of maximizing the data-ink ratio?

Medium
231

You are a data analyst at a logistics company. You have created a dashboard to monitor delivery performance. The dashboard includes a scatter plot showing delivery time (hours) vs. distance (miles) for each delivery, with points colored by delivery region (A, B, C, D, E). Users have reported that the scatter plot is cluttered because there are over 10,000 points, making it hard to see patterns. Additionally, the color legend for the five regions uses similar shades of blue, making it difficult to distinguish which region a point belongs to. You need to improve the scatter plot to reduce overplotting and improve region differentiation. Which approach is most effective?

Medium
232

An analyst creates a dashboard with a large amount of decorative graphics and background images. According to CompTIA Data+, which design principle is being violated?

Hard
233

A dataset contains salaries ranging from $25,000 to $2,500,000, with most salaries under $100,000. Which chart type best shows the distribution without distortion from extreme values?

Hard
234

A business analyst needs to show the monthly sales trend for the past three years. Which chart type is most appropriate?

Medium
235

A retail company operates 50 stores across the country. The data analyst has been asked to create a dashboard to visualize monthly sales trends over the past two years and compare the performance of the top 5 stores. The dataset includes store name, date, and daily sales amount. Initial exploration reveals that some stores have missing sales data for certain months due to system outages, and there are occasional extreme values caused by promotional events (e.g., Black Friday sales are 10x normal). The analyst needs to choose an appropriate visualization approach that accurately represents the trends and comparisons while handling these data quality issues. What should the analyst do to best meet the requirements?

Easy
236

A business analyst wants to show the relationship between advertising spend (independent variable) and sales revenue (dependent variable) for 12 different regions. Each region will be represented by a point. Which chart type is most appropriate?

Medium
237

Drag and drop the steps to clean a dataset with missing values in the correct order.

Medium
238

A data analyst is designing a dashboard for executives. Which TWO practices improve dashboard effectiveness? (Select two.)

Medium
239

A data analyst needs to show the relationship between advertising spend (in dollars) and monthly sales revenue (in dollars) for the past 12 months. Which chart type is most appropriate?

Medium
240

A data analyst discovers that the sales data for the current quarter shows a 15% increase in revenue. However, the analyst notes that the data does not include returns from the last week due to a system lag. How should the analyst communicate this uncertainty?

Medium

Frequently asked questions

What does the Visualization and Reporting domain cover on the DA0-002 exam?
Visualization and Reporting questions test whether you can apply the concept in context, not just recognise a definition.
How many questions are in this domain?
This page lists all 240 Visualization and Reporting questions in the DA0-002 question bank. The actual exam draws from this domain proportionally to its weighting in the official exam blueprint.
What is the best way to practise this domain?
Start with a short focused session (10 questions) to identify gaps, then work through explanations. Repeat with a longer session once the weak areas feel solid.
Can I practise only Visualization and Reporting questions?
Yes — the session launcher on this page filters questions to this domain only. Choose any session length for inline explanations and scoring.