To improve availability and enable autoscaling when moving from a single-zone proof-of-concept to production, how should you provision your instances?
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Correct answer: Create a single managed instance group, specify the desired region, and select Multiple zones for the location..
Why this is the answer
To improve availability and enable autoscaling in a production environment, provisioning instances across multiple zones within a region is crucial. A single managed instance group (MIG) configured for multiple zones automatically distributes instances, provides auto-healing, and scales based on demand, ensuring high availability and efficient resource utilization. Creating a MIG for each region and manually distributing instances is inefficient and defeats the purpose of automatic scaling and healing. Unmanaged instance groups lack autoscaling and auto-healing capabilities, making them unsuitable for production environments requiring high availability.
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