Top 22
Prep plan
Updated weekly · Last refresh Oct 17

Extreme Networks Data Engineer Interview Questions

The questions to prepare for a Extreme Networks Data Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 5 questions · ~47 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersExtreme Networks
Pair Programming Coding PracticeEasy

Assesses collaboration and problem-solving approach during a standard pair programming interview.

leetcodeExtreme Networks
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2
Pipelines8 questions · ~75 min
Handling Pipeline Errors at ScaleHard

Approach for stabilizing an automated workflow that is failing broadly, with focus on orchestration, data quality, idempotency, and rollback.

IdempotencyBackfillingQualityExtreme Networks
Structured vs Unstructured Pipeline DataEasy

Explain how structured and unstructured data differ, and how that changes pipeline design and downstream modeling.

InfrastructureData ModelingQualityExtreme Networks
Design Real-Time Operations Dashboard PipelineHard

Design a pipeline for a real-time operational dashboard, covering streaming ingestion, modeling, data quality, and dashboard serving.

InfrastructureStream ProcessingQualityExtreme Networks
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3
SQL & Data Manipulation3 questions + 2 drills · ~48 min
E-Commerce Database StructureHard

Tests schema design for high volume workloads and correct modeling of relationships.

JoinsGroup ByData ModelingExtreme Networks
Designing Large-Scale DatabaseHard

Tests data modeling, normalization tradeoffs, and scalability considerations.

JoinsData WranglingData ModelingExtreme Networks
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
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
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4
Behavioral & Leadership5 questions · ~47 min
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5
More topics1 question · ~9 min
Data Integrity in Distributed SystemsHard

Tests understanding of consistency, transactions, and failure modes in distributed architectures.

strategiesdistributed systemsdata integrityExtreme Networks
The finish line: interview-readyComplete all 22 questions plus 2 hands-on drills to finish this plan.