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Updated weekly · Last refresh Aug 30

Dun & Bradstreet QA Engineer Interview Questions

The questions to prepare for a Dun & Bradstreet QA Engineer interview. Questions from real interview reports rank first. Updated weekly.

22questions
~3htotal time
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1
CodingStart here. 5 questions · ~40 min
Automating a Testing Process ScriptEasy

Tests your practical scripting ability to support repeatable QA workflows.

Hash TablesArraysStringsDun & Bradstreet
Java or Python for AutomationEasy

Tests your programming fundamentals for writing and maintaining automated tests.

Hash TablesArraysStringsDun & Bradstreet
Building Automation InfrastructureHard

Tests your end-to-end automation approach, including architecture decisions and converting manual testing into automated suites.

Hash TablesArraysStringsDun & Bradstreet
Designing Test Cases With OOPMedium

Tests your ability to structure test design with sound software engineering fundamentals.

Data StructuresDun & Bradstreet
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2
Behavioral & Leadership14 questions · ~113 min
Reporting a High-Impact BugEasy

Tests QA ownership, bug reporting clarity, and how effectively you drive action on a difficult defect.

Stakeholder ManagementCommunicationOwnershipDun & Bradstreet
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3
More topics3 questions · ~24 min
Test Strategy for New FeatureEasy

Explain how you would define, prioritize, and organize test cases for a new feature while aligning on risk and scope.

Risk AssessmentScope ManagementQualityDun & Bradstreet
QA for APIs and DataMedium

Evaluates API testing skills and your ability to verify data integrity with SQL.

apisqlDun & Bradstreet
Respond to Critical Usability FlawMedium

Explain how you would respond when user testing reveals a major product flaw shortly before launch.

Rollback PlanLaunch PlanningRisk AssessmentDun & Bradstreet

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Top 5 Products Per MonthMedium
Practice
Practice drill

Rank completed product sales by month using joins, aggregation, date truncation, and ROW_NUMBER().

sqlCGICgi NederlandCGI Group
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlTTier 1 BankRevolutChime
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