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Updated weekly · Last refresh Oct 17

FCC (DC) Interview Questions

The questions to prepare for FCC (DC) interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
ExecutionStart here. 5 questions · ~40 min
Balancing Speed and QualityMedium

Describe a real example of choosing between faster delivery and a higher quality bar, including stakeholder alignment and risk management.

Trade-offsStakeholder ManagementSuccess CriteriaFCC (DC)
Estimating Project TimelinesMedium

Tests your judgment in effort estimation, risk assessment, and dependency management.

RoadmappingRisk AssessmentScope ManagementFCC (DC)
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2
Behavioral & Leadership21 questions · ~168 min
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3
More topics8 questions · ~64 min
Prepare Training Data PipelineMedium

Outline a repeatable pipeline for cleaning, validating, and preparing a dataset for model training.

ETLData ModelingQualityFCC (DC)
SQL and Data ToolingEasy

Tests technical fluency with common data analysis tools and workflows.

ToolsData WranglingsqlFCC (DC)
Evaluating a New PolicyHard

Tests your experimental design and rigor when measuring policy impact for FCC (DC).

ExperimentationGuardrail MetricsCUPEDFCC (DC)
Trends in Consumer ComplaintsMedium

Tests your ability to analyze complaint data and communicate findings to stakeholders.

Funnel AnalysisLeading IndicatorsDiagnosisFCC (DC)
Statistical Methods and PreferencesMedium

Tests your statistical toolkit and ability to choose appropriate methods for analysis.

RegressionHypothesis TestingStatistical SignificanceFCC (DC)
Version Control PrinciplesEasy

Tests understanding of collaboration workflows, traceability, and safe change management.

CommunicationOwnershipFCC (DC)
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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
Cleaning a Messy DatasetMedium
Practice
Practice drill

Filter invalid game events and normalize event names using PostgreSQL string and null handling.

missing valuesdata cleaningnull handlingQuantiumScopelyCarvana
Data Cleaning and PrepMedium
Practice
Practice drill

Prepare valid encounter records by trimming text, excluding missing values, and removing invalid charges.

missing valuesdata cleaningData WranglingMassachusetts General HospitalCognizantDataVisor
The finish line: interview-readyComplete all 34 questions plus 3 hands-on drills to finish this plan.