Google Professional Cloud DevOps Engineer
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As a DevOps Engineer, you're tasked with optimizing resource utilization and addressing areas of highest cost or lowest utilization in a Google Cloud Platform project hosting a multi-tier web application. The project includes Compute Engine instances, Cloud Storage, Cloud SQL, and Cloud Pub/Sub. Which strategy would most effectively achieve these goals?
A
Migrate all Compute Engine instances to Preemptible VMs and use the Always Free tier for Cloud Storage, Cloud SQL, and Cloud Pub/Sub.
B
Utilize the GCP Cost Calculator to estimate costs, then create a custom machine type for each Compute Engine instance, use Nearline storage for all Cloud Storage objects, and disable all Cloud SQL instances and Cloud Pub/Sub topics.
C
Enable autoscaling and use managed instance groups for Compute Engine instances, optimize Cloud Storage by leveraging object lifecycle policies, employ Cloud SQL with automatic storage increase, and monitor Cloud Pub/Sub usage to adjust quotas.
D
Move the entire application to a single Compute Engine instance with maximum vCPUs and memory, and use the Always Free tier for Cloud Storage, Cloud SQL, and Cloud Pub/Sub.