DAX Online Test
For jobseekers
Practice your skills and earn a certificate of achievement when you score in the top 25%.
Take a Practice TestFor companies
Screen real DAX skills, flag human or AI assistance, and interview the right people.
About the test
The DAX online test assesses knowledge of using DAX for Power BI reports.
The assessment includes work-sample tasks such as:
- Creating Power BI reports using DAX.
- Using proper DAX formulas.
- Using measures to calculate results from DAX formulas.
A good Power BI developer needs to be able to write DAX expressions, create calculated columns, measures, and custom tables from data that is already in the model.
Sample public questions
A Power BI report has a measure declared as:
Profit percentage = SUM(financials[Profit]) / CALCULATE(SUM(financials[Profit]), ALL(financials))Select all the true statements if the "Profit percentage" is used as a value in a bar chart where Country is the axis.
A business owner needs a Power BI report which shows the projected quantity for each item. The "quantity" column is in the "items" table.
Fill in the blank of the following DAX expression for a new column that will compute the projected quantity, which is the current quantity plus 12%:
Projected Quantity = ______________ * 1.12For jobseekers: get certified
Earn a free certificate by achieving top 25% on the DAX test with public questions.
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16 more premium DAX questions
Query Join, Sale Discount, Modifying Profit, Profit Chart, Regional Report, Marketing Performance Report, Grocery Sales, Book Sales, Net Adds, Average Sales, Sales per Product, Device Purchases, Beverage Sales, Agent Performance, Daily Profit, Sales Share.
Skills and topics tested
- Power BI
- Power Query
- DAX
- Chart Configuration
- Drilldown
- Slicer
- Bug Fixing
- Row-Level Security
- Video
- Data Aggregation
- Data Modeling
- Data Cleaning
- Matrix Visualization
- Performance Tuning
- Interactive Dashboards
For job roles
- Data Analyst
- Power BI Analyst
- Power BI Developer
Sample candidate report
AI-driven cheating detection
Protect against bad hires with automated highlighting of possible cheating attempts. Spend less time reviewing proctoring details and identify cheating in seconds.
AI-video analysis
Protect against bad hires with automated highlighting of possible cheating attempts. Spend less time reviewing proctoring details and identify cheating in seconds.
Screen proctoring
Screen recording detects AI tools (ChatGPT, Gemini, etc.), screenshot/snipping tools, OCR tools, DevTools usage, etc.
Webcam proctoring
Webcam recording detects off-screen glances, phones and/or tablets, different people, multiple or zero people, etc.
AI-resistant questions
Use AI-resistant questions , which can't be solved with tools like ChatGPT.
Block hidden AI assistants
Enable Safe Exam Browser lockdown to prevent candidates from using hidden AI assistants, switching apps, or browsing the web, ensuring the level of security required for your high-stakes tests.
Duplicate attempts detection
Detects test retaking from the same IP address or the same browser.
Code interviews
Verify your candidates' knowledge via Interviews,
with video, chat, and collaborative code editing.
What others say
Reliable, AI-ready technical testing
I thought the rise of AI would render it obsolete, BUT, the platform has definitely adapted to the changing times and I find it to be the only reliable way to do our online technical assessments nowadays. With its system proctoring and AI-detection tools, I feel confident that the applicants aren't able to cheat.
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