Topic 1 Question 116
You have developed a non-critical update to your application that is running in a managed instance group, and have created a new instance template with the update that you want to release. To prevent any possible impact to the application, you don't want to update any running instances. You want any new instances that are created by the managed instance group to contain the new update. What should you do?
Start a new rolling restart operation.
Start a new rolling replace operation.
Start a new rolling update. Select the Proactive update mode.
Start a new rolling update. Select the Opportunistic update mode.
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IMHO the correct answer is d) opportunistic mode, not c) proactive mode.
The requirement is not to update any running instances.
see: https://cloud.google.com/compute/docs/instance-groups/rolling-out-updates-to-managed-instance-groups For automated rolling updates, you must set the mode to proactive.
Alternatively, if an automated update is potentially too disruptive, you can choose to perform an opportunistic update. The MIG applies an opportunistic update only when you manually initiate the update on selected instances or when new instances are created. New instances can be created when you or another service, such as an autoscaler, resizes the MIG.
👍 49XDevX2021/06/30D. Start a new rolling update. Select the Opportunistic update mode.
👍 10victory1082021/07/10The Answer is D
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👍 4windsor_432022/12/31
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