Google Associate Cloud Engineer
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What is the preferred method for implementing a backup/rollback plan for an application distributed across a large managed instance group in Google Cloud?
A
Schedule a cron job to take snapshots of each instance in the group.
B
Use the managed instance group snapshot function that is included in Compute Engine.
C
Have each instance write critical application data to a Cloud Storage bucket.
D
Use the Rolling Update feature to deploy/roll back versions with different managed instance group templates.