Dashboards vs reports in Power BI - Practice Questions

Challenge - 5 Problems

🧠 Conceptual

intermediate

Key difference between dashboards and reports

Which statement best describes the main difference between a dashboard and a report in Power BI?

A A dashboard is a single page that shows visuals from multiple reports, while a report can have multiple pages with detailed data.

B A report is a single page with visuals from multiple dashboards, while a dashboard can have multiple pages with detailed data.

C Dashboards and reports are exactly the same in Power BI, just different names.

D Reports only show data summaries, while dashboards only show raw data tables.

💡 Hint

Think about how many pages each can have and where visuals come from.

Dashboards are single pages that can combine visuals from different reports. Reports can have multiple pages and show detailed data.

🎯 Scenario

intermediate

Choosing between dashboard and report for monitoring sales

You want to monitor daily sales trends and quickly spot issues. You also want to drill down into detailed sales data when needed. Which Power BI feature should you primarily use?

A Create multiple dashboards for each sales region without reports.

B Create a single-page report with all visuals and no drill-down options.

C Use Excel instead of Power BI for this task.

D Create a dashboard with tiles linking to detailed reports for drill-down.

💡 Hint

Think about combining quick overview and detailed data access.

Dashboards provide quick overview with tiles, and linking to reports allows detailed drill-down.

❓ visualization

advanced

Best visualization practice for dashboards

Which visualization approach is best for a Power BI dashboard designed for executives to get quick insights?

A Use detailed tables with many columns and rows to show all data.

B Use simple, clear visuals like cards and gauges with minimal text and colors.

C Use many different chart types with bright colors and animations.

D Use only pie charts for all data points regardless of data type.

💡 Hint

Think about what helps quick understanding without overload.

Executives need clear, simple visuals that highlight key metrics quickly. Cards and gauges work well.

🔧 Formula Fix

advanced

Why does a dashboard tile not update with report changes?

You updated a report visual, but the linked dashboard tile still shows old data. What is the most likely reason?

A The report visual was deleted but the dashboard tile was not updated.

B The report data source is disconnected from Power BI service.

C The dashboard tile is pinned as a snapshot and does not auto-refresh with report changes.

D The dashboard tile is set to auto-refresh every minute.

💡 Hint

Think about how dashboard tiles update after pinning.

Dashboard tiles pinned as snapshots do not update automatically when the report changes. They need to be repinned or refreshed.

❓ data_modeling

expert

Optimizing data model for dashboards and reports

You have a large sales dataset. To improve dashboard load speed and report interactivity, which data modeling approach is best?

A Create aggregated tables for dashboards and detailed tables for reports, using relationships to connect them.

B Use a single detailed table for both dashboards and reports without aggregation.

C Duplicate all data in separate datasets for dashboards and reports.

D Remove all relationships to speed up loading.

💡 Hint

Think about balancing detail and performance.

Aggregated tables reduce data volume for dashboards, improving speed, while detailed tables support report drill-down. Relationships keep data connected.

Practice

1. What is the main difference between a dashboard and a report in Power BI?

easy

A. Dashboards show key info on one page; reports have multiple pages with details.

B. Dashboards have multiple pages; reports show info on one page only.

C. Dashboards are only for printing; reports are interactive.

D. Dashboards contain raw data; reports contain only charts.

Solution

1. Step 1: Understand dashboard purpose

   Dashboards provide a quick view of key information on a single page for fast understanding.

2. Step 2: Understand report purpose

   Reports contain multiple pages with detailed data and filters for deeper exploration.

3. Final Answer:

   Dashboards show key info on one page; reports have multiple pages with details. -> Option A

4. Quick Check:

   Dashboard = summary, Report = detailed [OK]

Hint: Dashboards = one page summary, reports = detailed multi-page [OK]

Common Mistakes:

• Confusing dashboards as multi-page
• Thinking reports are only for printing
• Believing dashboards contain raw data

2. Which of the following is the correct way to create a dashboard in Power BI?

easy

A. Write DAX formulas to build a dashboard page.

B. Create a dashboard first, then add reports inside it.

C. Create a report and pin visuals to a dashboard.

D. Use Power Query to design the dashboard layout.

Solution

1. Step 1: Understand dashboard creation process

   Dashboards are created by pinning visuals from reports to a single page.

2. Step 2: Eliminate incorrect options

   Dashboards are not created first, nor built with DAX or Power Query layouts.

3. Final Answer:

   Create a report and pin visuals to a dashboard. -> Option C

4. Quick Check:

   Pin visuals from reports = dashboard creation [OK]

Hint: Pin report visuals to dashboard to create it [OK]

Common Mistakes:

• Trying to create dashboard before reports
• Using DAX or Power Query to build dashboard layout
• Confusing dashboard and report creation steps

3. You have a Power BI report with 5 pages and many filters. You pin 3 visuals from different pages to a dashboard. What will the dashboard show?

medium

A. Only the 3 pinned visuals on one page without filters.

B. All 5 pages with filters applied.

C. The entire report with interactive filters.

D. A summary table of all report data.

Solution

1. Step 1: Understand dashboard content

   Dashboards show only pinned visuals on a single page, not full report pages or filters.

2. Step 2: Analyze filter behavior

   Filters on report pages do not carry over to dashboard visuals; dashboard visuals are snapshots.

3. Final Answer:

   Only the 3 pinned visuals on one page without filters. -> Option A

4. Quick Check:

   Dashboard = pinned visuals only [OK]

Hint: Dashboard shows only pinned visuals, no full pages [OK]

Common Mistakes:

• Assuming dashboard shows all report pages
• Expecting filters to apply on dashboard visuals
• Thinking dashboard is interactive like report

4. You created a dashboard but notice some visuals do not update when report data changes. What is the likely cause?

medium

A. The report is not connected to any data source.

B. You forgot to refresh the Power BI Desktop file.

C. Dashboard visuals are snapshots and need to be repinned to update.

D. Dashboards cannot show visuals from reports.

Solution

1. Step 1: Understand dashboard refresh behavior

   Dashboard visuals update automatically when the underlying report dataset refreshes in Power BI service.

2. Step 2: Identify likely cause

   If report data changed externally, you must refresh queries in Power BI Desktop before republishing to update the service dataset.

3. Final Answer:

   You forgot to refresh the Power BI Desktop file. -> Option B

4. Quick Check:

   Refresh Desktop queries + republish [OK]

Hint: Refresh Power BI Desktop file and republish after data changes [OK]

Common Mistakes:

• Believing dashboard visuals need repinning for data updates
• Assuming report is disconnected from data source
• Believing dashboards cannot show report visuals

5. You want to share a summary of sales performance with executives who need quick insights, but also provide detailed data for analysts. How should you use dashboards and reports in Power BI?

hard

A. Create separate dashboards for executives and analysts with same visuals.

B. Create only a detailed report with all data for everyone.

C. Create only a dashboard with all data and filters for analysts.

D. Create a dashboard with key sales visuals for executives and a detailed report for analysts.

Solution

1. Step 1: Identify needs of executives

   Executives need quick insights, best served by a dashboard with key visuals on one page.

2. Step 2: Identify needs of analysts

   Analysts require detailed data and filters, best provided by a multi-page report.

3. Step 3: Combine solution

   Create a dashboard for executives and a detailed report for analysts to meet both needs.

4. Final Answer:

   Create a dashboard with key sales visuals for executives and a detailed report for analysts. -> Option D

5. Quick Check:

   Dashboard = summary, Report = detailed [OK]

Hint: Dashboard for quick view, report for deep dive [OK]

Common Mistakes:

• Using only reports for all users
• Using dashboards for detailed data
• Creating duplicate dashboards for different roles