Kubernetes for the Absolute Beginners - Hands-On - Demo - Deployments - Update and Rollback

This video tutorial covers the process of managing deployments in Kubernetes, focusing on creating, updating, and rolling back deployments. It explains how to use various kubectl commands to check deployment status, record changes, and handle errors. The tutorial also demonstrates how to edit deployments and manage rolling updates, ensuring minimal disruption to end users. Key concepts include the use of the record option for tracking changes and the rollback process to revert to previous deployment versions.

What command is used to create a deployment in Kubernetes?

• kubectl create service

• kubectl create pod

• kubectl create configmap

• kubectl create deployment

What does the kubectl rollout status command do?

• Lists all deployments

• Deletes a deployment

• Checks the status of a deployment rollout

• Creates a new deployment

What is the purpose of the --record option in Kubernetes?

• To scale a deployment

• To record the cause of changes in the rollout history

• To delete a deployment

• To update the image of a deployment

How can you change the image version of a deployment in Kubernetes?

• By using kubectl scale

• By using kubectl logs

• By using kubectl edit

• By using kubectl delete

What is the default update strategy for Kubernetes deployments?

• Blue-green

• Canary

• Rolling update

• Recreate

Which command allows you to set a new image for a deployment?

• kubectl delete image

• kubectl describe image

• kubectl get image

• kubectl set image

What command is used to revert a deployment to a previous revision?

• kubectl revert

• kubectl rollback

• kubectl undo

• kubectl redo

What happens if a deployment tries to use a non-existent image?

• The deployment automatically finds a similar image

• The deployment deletes all existing pods

• The deployment fails and existing pods remain unaffected

• The deployment succeeds with warnings

How does Kubernetes ensure application availability during updates?

• By stopping all pods before updating

• By updating all pods simultaneously

• By using a rolling update strategy

• By creating a backup of all pods

What is the result of a successful rollback in Kubernetes?

• The deployment is deleted

• The deployment is updated to the latest version

• The deployment reverts to a previous stable state

• The deployment scales down to zero pods