Kubernetes
59 practice items · needed by 4 roles
Easy 12Medium 26Hard 21
Practice questions
- Smallest unit in Kuberneteseasy
- Deployment and ReplicaSeteasy
- Logs from a crashed containereasy
- Are Kubernetes Secrets encryptedeasy
- What namespaces isolateeasy
- Helm values precedenceeasy
- Readiness vs liveness probesmedium
- Kubernetes Service typesmedium
- CPU vs memory limitsmedium
- ImagePullBackOff from a private registrymedium
- Pod stuck Pending on CPUmedium
- Exit code 137medium
- HPA shows unknown targetsmedium
- NetworkPolicy has no effectmedium
- Node drain hangs forevermedium
- Argo CD app always OutOfSyncmedium
- Running containers as non-rootmedium
- Cloud access from Podsmedium
- Container ignores SIGTERMhard
- Rolling update that never finisheshard
- Hotfix keeps disappearinghard
- Errors during every rollouthard
- Throttled at 30 percent CPUhard
- Slow external DNS in Podshard
- StatefulSet Pod pending after node replacementhard
- Java Pod OOMKilled with free heaphard
- Only deploy images built by CIhard
- Policy webhook takes down deployshard
- Running workloads on spothard
- All replicas landed in one zonehard
- Smallest deployable unit in Kuberneteseasy
- Logs from a crashed containermedium
- Pod stuck Pending: Insufficient cpumedium
- Container exit code 137 OOMKilledmedium
- HPA shows unknown CPU targetmedium
- EKS pods cannot get IP addresseshard
- Node drain stuck on a PDBhard
- Liveness probe makes an outage worsehard
- Readiness vs liveness probeseasy
- CrashLoopBackOffeasy
- Logs from the crashed containereasy
- PodDisruptionBudgetmedium
- Exit code 137 in Kubernetesmedium
- HPA shows unknown CPUmedium
- A pod stuck in Pendingmedium
- Errors during every rolloutmedium
- Cutting Kubernetes cost safelymedium
- Throttled but not busyhard
- Go service OOMKilled under loadhard
- Random packet drops on a busy nodehard
- A surprise network billhard
- Which pods are evicted first?hard
- Traffic before the model has loadedeasy
- Pod stuck in CrashLoopBackOffeasy
- Scheduling a GPU podmedium
- Pod killed while loading the modelmedium
- Autoscaling a GPU inference servicemedium
- CPU pods filling GPU nodesmedium
- Tail latency at low CPU usagehard