Devops Interview Questions

Kubernetes

How to encrypt traffic between pods?

Hard

Linux

How to get top 5 memory consuming processes?

Hard

Aws

What is the difference between security group and NACL?

Medium

Kubernetes

What are the different components of Kubernetes?

Easy

Kubernetes

What are the services of kubernetes?

Easy

Docker

Difference between CMD and ENTRYPOINT?

Medium

Kubernetes

Difference between PV and PVC?

Easy

Docker

Difference between image and container?

Easy

Kubernetes

Difference between Deployment, Statefull set and Jobs?

Medium

Aws

What are different placement groups?

Easy

Linux

Difference between orphan and zombie process?

Medium

Linux

What is fork bomb?

Hard

Jenkins

What are webhooks in Jenkins?

Medium

Kubernetes

If we hit <IP>:<NodePort>? What will be the flow?

Hard

Kubernetes

Difference between K8S and Docker Swarm?

Medium

Jenkins

How to configure windows nodes in jenkins?

Medium

Ansible

Why ansible is preffered over simply using ssh or scp?

Easy

Kubernetes

Difference between replication-controller and replica-set?

Easy

Kubernetes

How to schedule a pod on any particular node?

Medium

Docker

If we stop a container, do we lost the data inside?

Hard

Kubernetes

What happens in backend when we hit kubectl command to create a pod?

Hard

Kubernetes

Explain cluster role, role, rolebinding, cluster role binding and serviceaccount?

Hard

Aws

What are the types of s3 buckets?

Medium

Linux

How to rename a file?

Easy

Linux

What is sticky bit?

Hard