Senior DevOps Interview Questions
516 questions across 39 categories
Deeper trade-off and design questions — why a specific approach was chosen, what breaks at scale, and how to reason about a system you didn't build.
How would you design a resource group and subscription structure for an organization with 15 teams, balancing isolation, cost tracking, and not making every team manage their own subscription?
IntermediateAzure8 min
A CI/CD pipeline that's deployed successfully for two years suddenly fails every run overnight, with no recent pipeline or code changes. How do you diagnose it, and prevent it happening silently again?
IntermediateAzure6 min
A lifecycle policy quietly moved a set of blobs to Archive tier months ago, and now someone urgently needs one back within the hour. What are your actual options?
AdvancedAzureBlob Storage7 min
A storage account's firewall was locked down to specific VNets for security, and now diagnostic logging and a few other first-party Azure integrations silently stopped working. What's actually happening?
AdvancedAzureBlob Storage6 min
A compliance requirement says certain records must be provably unmodifiable for seven years. How would you design this with Blob Storage's immutability features, and what breaks if you choose the wrong policy type?
AdvancedAzureBlob Storage7 min
How would you choose a Storage account's replication setting (LRS, ZRS, GRS, or GZRS) for a workload that genuinely needs regional resilience?
IntermediateAzureBlob Storage7 min
An app authenticates to Blob Storage using a long-lived SAS token embedded in configuration. Why move it to Managed Identity, and what does a SAS actually give up that Managed Identity doesn't?
IntermediateAzureBlob Storage7 min
A blob was accidentally overwritten with bad data, not deleted. Both soft delete and versioning are enabled on the account. Why doesn't 'undelete' bring back the good version, and what actually will?
IntermediateAzureBlob Storage6 min