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You are tasked with configuring 10 Compute Engine instances to ensure their high availability and resilience during both regular operations and system maintenance periods. The requirements specify that these instances must automatically attempt to restart in the event of a crash, and they must be highly available even when maintenance activities are underway. What steps should you take to achieve this configuration?
A
Create an instance template for the instances. Set the 'Automatic Restart' to on. Set the 'On-host maintenance' to Migrate VM instance. Add the instance template to an instance group.
B
Create an instance template for the instances. Set 'Automatic Restart' to off. Set 'On-host maintenance' to Terminate VM instances. Add the instance template to an instance group.
C
Create an instance group for the instances. Set the 'Autohealing' health check to healthy (HTTP).
D
Create an instance group for the instance. Verify that the 'Advanced creation options' setting for 'do not retry machine creation' is set to off.