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Prep plan
Updated weekly · Last refresh Oct 17

Google DevOps Engineer Interview Questions

The questions to prepare for a Google DevOps Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~9htotal time
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1
CodingStart here. 9 questions · ~100 min
Knight's Tour on Infinite ChessboardHard
Practice

Use breadth-first search to find a shortest sequence of moves between two squares on an infinite chessboard.

bfsAlgorithmsGoogle
Session Counts from Log FileMedium
Practice

Parse log lines and aggregate login events into session counts for each user.

aggregationAlgorithmscsv parsingGoogle
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2
Technical Fundamentals9 questions · ~100 min
Browser Request FlowHard

Trace google.com from browser input through DNS, kernel networking, TLS, HTTP, and page rendering.

networking basicsStakeholder ManagementCommunicationGoogle
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3
System Design9 questions · ~100 min
Design a Rate LimiterHard

Design a distributed rate limiter that prevents API traffic from exceeding a configured QPS limit.

high-frequency requestsdistributed systemsapi gatewayGoogle
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4
Execution10 questions · ~111 min
Significance of SIGKILLMedium

Explain what SIGKILL does, why it cannot be handled, and when it should be used instead of SIGTERM.

Executionfault toleranceGoogle
Execute Permission CheckMedium

Explain how to verify execute permission for a user, including identity, path traversal, and effective permission checks.

ExecutionGoogle
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5
Pipelines9 questions · ~100 min
Design Canary Deployment PipelineMedium

Design a safe deployment pipeline using blue/green or canary rollout patterns, with automated checks, promotion gates, and rollback.

OrchestrationDependenciesQualityGoogle
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6
More topics4 questions · ~44 min
Web Server Security MeasuresHard

Apply threat modeling and layered controls to securely deploy, monitor, patch, and respond to a web server.

authenticationpatchingnetwork securityGoogle
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