Specific Experience with Core DevOps Tools Questions
Be prepared to discuss hands-on experience with specific tools relevant to the job description: CI/CD platforms (Jenkins, GitLab CI, GitHub Actions), containerization (Docker), orchestration (Kubernetes basics), cloud platforms (AWS, Azure, GCP), and Infrastructure as Code (Terraform, CloudFormation). Prepare concrete examples of how you used these tools.
HardTechnical
31 practiced
You must migrate an existing set of AWS resources that were created manually into Terraform without downtime. Explain the end-to-end migration plan: how to import resources into state, reconciling Terraform resource addresses with current naming, renames and replacements, protecting state consistency, validating after import, and rolling back if there are discrepancies.
EasyTechnical
31 practiced
Explain Terraform core concepts: providers, resources, modules, state, and remote backends. Give an example of how remote state and locking (e.g., S3 + DynamoDB) prevent conflicts when multiple engineers apply changes concurrently.
EasyTechnical
35 practiced
Describe these Kubernetes objects and how you used them in production: Pod, Deployment, ReplicaSet, Service, ConfigMap, Secret. For each object give a concise example (for instance: store DB credentials in Secret, feature flags in ConfigMap) and explain how they interact to deliver a web service.
HardSystem Design
35 practiced
Design a disaster recovery plan for a Kubernetes service and Terraform-managed infrastructure across AWS regions to meet RTO=1 hour and RPO=15 minutes. Include backups for etcd, persistent volumes, database replicas, Terraform state replication, failover steps, and verification/testing procedures.
HardTechnical
31 practiced
Critically evaluate Helm and Kustomize for managing Kubernetes manifests at scale. Discuss templating, parameterization, secret handling, testing, dependency management, and how each tool fits into CI/GitOps workflows. Provide recommendations for a multi-team organization with both platform and application teams.
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