You have deployed a web application using a managed instance group based on an instance template. After modifying the startup script in the instance template, you need to apply these changes to all existing instances without reducing the available capacity, minimizing effort and cost, while the application continues to serve live traffic. What is the best approach?

Real Exam

Delete instances in the managed instance group (MIG) one at a time and rely on auto-healing to provision an additional instance.

5.9%

Perform a rolling-action replace with max-unavailable set to 0 and max-surge set to 1

41.2%

Create a new managed instance group (MIG) based on a new template. Add the group to the backend service for the load balancer. When all instances in the new managed instance group are healthy, delete the old managed instance group

23.5%

Perform a rolling-action start-update with max-unavailable set to 1 and max-surge set to 0

29.4%

Google Associate Cloud Engineer

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