← All difficulties
Mid questions
CI/CD 9 questions
Automated GitOps PromotionCapitalOne
Automated Rollback on Deployment Failure with Values File RestorationNVIDIA
Docker Image Tagging with Commit SHAMicrosoft
GitHub Actions Matrix Build StrategySpotify
Job Dependency EnforcementSplunk
Multi-Job Workflow with Artifact HandoffAnthropic
Path-Based Workflow ExecutionCoinbase
PR Test GateAdobe
Reusable Workflow with Input ParametersAdobe
Cloud 1 question
Design Egress Only VPC with NATTwitch
Containers 5 questions
Graceful Shutdown with SIGTERM HandlingRobinhood
Insecure Container Root UserAccenture
Memory Limit and OOM KillerDeliveryHero
Optimize DockerfileShopify
Storage Driver Performance Fuse OverlayfsGithub
Git 9 questions
Create an Annotated TagNintendo
Fix Repository with Unrelated HistoriesZscaler
Merge Repositories Preserving Both HistoriesZscaler
Recover Lost Commits from Detached HeadKayak
Remove File from Entire Git HistoryNetflix
Restore File to Previous VersionSlack
Stash Work Fix Bug Restore and UpdateIBM
Stash Work Fix Bug ResumeKraken
Update Submodule to Latest CommitGoDaddy
Kubernetes 13 questions
ConfigMap Reload With SidecarYelp
Crashing Misconfigured PodReddit
CronJob Schedule MisconfigurationRedHat
Custom Resource Definition SetupActivisionBlizzard
DNS Based Service DiscoveryNetflix
Fix Job With ServiceAccount and RBAC Permission IssuesSAP
Image Pull Backoff SecretsDatadog
Implement StatefulSet With Stable DNSOkta
Multi Tenant Namespace IsolationPalantir
OOMKilled Pod Analysis FixAccenture
Secure Internal Service CommunicationDropbox
StorageClass and PVC ExpansionDatadog
Traffic Splitting With Native KubernetesPalantir
Linux 10 questions
Analyzing Log Partition UsageRedHat
Debug SSH LockoutTCS
Detect Memory Leak by Monitoring RSSGoogle
Discover Unexpected Background JobsPlus500
Fix Inode Exhaustion IssueDeutscheBank
Monitoring Process OwnershipHashiCorp
Real-Time Log TimestampingAdobe
Update AWS ConfigsStripe
Upload Safe File PartitioningGoDaddy
Using Unmounted PartitionsRedHat
Networking 4 questions
Fix Port Exhaustion for High Speed ScraperX
Forward Traffic Between PortsMeta
Inspecting HTTP Traffic FlowAirbnb
Validating Network RoutesGoogle
Security 1 question
Fix HTTPS Certificate ErrorGithub