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Arista Networks Interview Questions

The questions to prepare for Arista Networks interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 9 questions · ~100 min
Sliding Window Moving AverageEasy
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Recently asked

Calculate every fixed-size moving average for Arista EOS telemetry samples using an O(n) sliding window.

ArraysSliding WindowArista Networks
Longest Subarray Sum Equals KMedium
Practice

Find the longest contiguous subarray whose sum equals K using prefix sums and a hash map.

ArraysArista Networks
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2
Execution8 questions · ~88 min
Prioritize Work Under Tight DeadlinesEasy

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementArista Networks
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3
Pipelines8 questions · ~88 min
Describe a Complex Transformation PipelineMedium

Explain a complex ETL transformation you built, including the main challenges and how you handled them.

ETLData ModelingQualityArista Networks
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4
System Design8 questions · ~88 min
Generic C++ Stack Without STLMedium
Recently asked

Assesses data structure implementation skills and manual memory management in C++.

StackData Structuresc++Arista Networks
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5
Security & Infrastructure8 questions · ~88 min
Linux IPC Choice and Trade-offsMedium
Recently asked

Evaluates system-level reasoning about IPC mechanisms and performance trade-offs relevant to networking software.

CommunicationipclinuxArista Networks
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6
Product Sense3 questions · ~33 min
Benefits of Software-Defined NetworkingEasy
Recently asked

Tests your product understanding and ability to articulate SDN value clearly to enterprise buyers.

Value PropositionUse CasesProduct VisionArista Networks
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7
More topics6 questions · ~66 min
Explaining Business Impact of ArchitectureEasy

Tests your ability to translate technical tradeoffs into business outcomes and ROI.

Communicationbusiness impactarchitectureArista Networks
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