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GCP Associate Cloud Engineer Practice Question

Your data science team runs nightly Monte-Carlo simulations that take about two hours and write checkpoints to Cloud Storage every minute. The workload is stateless and can resume from the last checkpoint if a VM disappears. The team currently uses regular N2-highcpu-16 VMs in a zonal managed instance group and wants to reduce compute costs as much as possible without adding operational complexity. What should you do?

  • Set the instances' availability policy to live migrate and automatic restart so they resume if host maintenance occurs, reducing wasted work.

  • Create a new instance template that uses Spot VMs and replace the managed instance group's template with it, accepting that the instances may be preempted during the run.

  • Build a custom machine type with 8 vCPUs and 8 GB RAM to reduce per-VM cost and continue running the group with standard VMs.

  • Keep the current instance template but purchase one-year committed use discounts (CUDs) for the N2-highcpu-16 shape to lower the bill.

GCP Associate Cloud Engineer
Planning and implementing a cloud solution
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