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In a managed instance group composed of preemptible VMs, you observe that all VMs are being deleted and recreated every minute. What could be a potential reason for this behavior?
A
The zonal capacity is limited, leading to the shutdown of all preemptible VMs to reclaim capacity. Consider deploying your group to a different zone.
B
You have reached your instance quota for the region.
C
The managed instance group's VMs are configured to last only 1 minute in preemptible settings.
D
The managed instance group's health check is failing repeatedly, possibly due to a misconfigured health check or firewall rules preventing the health check from accessing the instances.