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Lumen Business Intelligence Analyst Interview Questions

The questions to prepare for a Lumen Business Intelligence Analyst interview. Questions from real interview reports rank first. Updated weekly.

10questions
~1htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Handling Missing and Dirty SQL DataMedium

Explain how to profile, clean, and standardize missing or dirty data before analysis.

Data WranglingCase WhenQualityLumen
Customer Orders: LEFT vs INNER JOINEasy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup ByLumen
Building Dashboards From Vague RequirementsMedium

Assesses how you translate ambiguous business needs into reliable BI outputs.

data visualizationdashboard designLumen
Ensuring Report Accuracy Across SourcesMedium

Evaluates your data quality controls and validation approach across sources.

data accuracyLumen
Joining Subscription Data With OutagesMedium

Tests your SQL join selection for correct BI dataset construction.

Lumen
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice
Practice drill

Calculate the monthly spending trends for customers using window functions and joins.

The Home DepotAvisoWorld Wide Technology
Autonomous vs Manual Drive TimeHard
Practice
Practice drill

Compute per-vehicle daily autonomous vs manual seconds from state-change logs using LEAD and conditional aggregation.

JoinsData WranglingGroup By
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI

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2
Behavioral & Leadership5 questions · ~40 min
Explaining a Technical Concept ClearlyEasy

Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.

Problem SolvingData Structurestechnical fundamentalsLumen
Using Data to Change DirectionEasy

Tests data-driven decision making: choosing relevant metrics, interpreting analysis, and influencing action based on evidence.

Stakeholder ManagementCommunicationOwnershipLumen
Prioritizing Conflicting High-Stakes WorkEasy
Recently asked

Tests prioritization under pressure, stakeholder management, and ownership when multiple urgent requests compete for limited time.

Stakeholder ManagementOwnershipDealing With AmbiguityLumen
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The finish line: interview-readyComplete all 10 questions plus 3 hands-on drills to finish this plan.