Practical Interview Questions — All Categories
131 questions across 30 categories
Hands-on, command-driven questions testing whether you can actually operate these tools, not just discuss them.
A Cloud Function's p99 latency is dominated by cold starts under bursty traffic — how would you mitigate this, and what's the actual cost trade-off?
IntermediateGCPCloud Functions7 min
A Cloud Function has been silently failing for days with no alert firing — what's typically missing in the observability setup, and how do you fix it?
IntermediateGCPCloud Functions6 min
A Cloud Function times out mid-execution after partially completing a multi-step operation — what state does it leave behind, and how do you design around this?
AdvancedGCPCloud Functions7 min
How would you audit an entire GCP organization to find every principal holding Owner or Editor at the project level, before a security review?
AdvancedGCP7 min
How would you grant a contractor temporary access to a GCP project that automatically expires, without manually revoking it later?
IntermediateGCP6 min
A service account in Project A needs to read from a Cloud Storage bucket in Project B — how does IAM actually handle this cross-project access?
IntermediateGCP6 min
How would you design least-privilege IAM for a Cloud Function that reads from Pub/Sub and writes to a specific Cloud Storage bucket?
IntermediateGCP6 min
How would you design a CI/CD pipeline's GCP authentication using service account impersonation instead of a downloaded key, and why is that safer?
AdvancedGCP7 min
A GKE workload needs to call a GCP API — should it use Workload Identity or a mounted service account key file, and why?
IntermediateGCPGKE7 min
How would you design Cloud Storage lifecycle rules to automatically reduce cost as objects age, without risking premature deletion of data still in use?
IntermediateGCPCloud Storage7 min
A large file upload to Cloud Storage keeps failing partway through on an unreliable network — what does a resumable upload actually solve here?
BeginnerGCPCloud Storage6 min
Why does Google recommend uniform bucket-level access over fine-grained ACLs, and what actually breaks when you enable it on an existing bucket?
IntermediateGCPCloud Storage6 min