Explanation:
Managed Instance Groups (MIGs) with autohealing recreate instances that fail health checks. Preemption would affect all if spot, rolling updates have controls, corrupt template would fail creation.
A MIG behind a load balancer shows one VM repeatedly being deleted and recreated. What's the most likely cause?
A
Spot preemption everywhere
B
Autohealing: the VM fails its health check, so the MIG recreates it
C
A rolling update stuck in a loop
D
The instance template is corrupt
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