You have an application deployed on Google Kubernetes Engine using a Deployment named echo-deployment. The deployment is exposed using a Service called echo-service. You need to perform an update to the application with minimal downtime to the application. What should you do? 

Answer options:

A. Use kubectl set image deployment/echo-deployment <new-image>
B. Use the rolling update functionality of the Instance Group behind the Kubernetes cluster
C. Update the deployment yaml file with the new container image. Use kubectl delete deployment/echo-deployment and kubectl create "f <yaml-file>
D. Update the service yaml file which the new container image. Use kubectl delete service/echo-service and kubectl create "f <yaml-file>

A