You have an application deployed on 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 app

The correct answer is A. Use kubectl set image deployment/echo-deployment <new-image>. Deployment ensures that only a certain number of Pods are down while they are being updated. By default, it ensures that at least 75% of the desired number of Pods are up (25% max Deployment also ensures that only a certain number of Pods are created above the desired number of P

Submitted by mateo_ar· Mar 30, 2026Managing implementation

Question

You have an application deployed on 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?

Options

AUse kubectl set image deployment/echo-deployment <new-image>
BUse the rolling update functionality of the Instance Group behind the Kubernetes cluster
CUpdate the deployment yaml file with the new container image.
DUpdate the service yaml file which the new container image.

How the community answered

(57 responses)

A
89% (51)
B
2% (1)
C
4% (2)
D
5% (3)

Explanation

Deployment ensures that only a certain number of Pods are down while they are being updated. By default, it ensures that at least 75% of the desired number of Pods are up (25% max Deployment also ensures that only a certain number of Pods are created above the desired number of Pods. By default, it ensures that at most 125% of the desired number of Pods are up (25% max surge). https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#updating-a-deployment

Topics

#Kubernetes#rolling update#kubectl#zero-downtime deployment

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