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Top 50 Site Reliability Engineer Interview Questions

The 50 most important questions to prepare for Site Reliability Engineer interviews. Questions from real interview reports rank first. Updated weekly.

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Zero-Downtime Deployment StrategyMedium

Explain your approach to rolling updates, canary releases, and zero-downtime deployments with clear rollback criteria and stakeholder alignment.

canary releaseszero downtimerolling updates
Recently asked
FortinetFisher InvestmentsFDM Group
Automate a Manual Release Process
Easy

Describe how you automated a manual operational process, aligned stakeholders, reduced risk, and defined measurable success.

Success CriteriaRoadmappingScope Management
Recently asked
AccentureWorkivaAres Management
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Understanding the OSI Model LayersEasy

Describe the OSI model and the function of each layer.

ViasatKnowesisCohesity
Two Sum Index Lookup
Easy

Find two indices in an array whose values sum to a target using a hash table in O(n) time.

Hash TablesArraysTwo Pointers
Recently asked
NTT DATARe:Build ManufacturingZions Bancorporation
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OSI Model and Layer Functions
Medium

Evaluates ability to reason about networking issues using layered abstractions.

Networkingprotocols
PhonepeCohesity
Load Balancing Trade-Offs
Medium

Assesses your ability to choose and justify load-balancing strategies under load.

Trade-offsload balancing
GitHubKraken Digital Asset Exchange
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Manage Terraform Infrastructure Drift
Medium

Approach for detecting, monitoring, and remediating drift in a Terraform-managed environment.

InfrastructureToolsQuality
Recently asked
USTSii Group ItalyLyft
Highly Available Jenkins Pipeline
Hard

Tests your ability to design HA CI/CD pipelines with SRE-grade reliability considerations.

high availability
Recently asked
Apple
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