PCA Question 83

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• 15

  The correct answer is B. Create a custom VM image with all OS package dependencies. Use Deployment Manager to create the managed instance group with the VM image. Managed instance groups are a way to manage a group of Compute Engine instances as a single entity. If you want to automate the creation of a managed instance group, you can use tools such as Terraform, Deployment Manager, or Puppet to automate the process. To minimize the startup time for new VMs in the instance group, you should create a custom VM image with all of the OS package dependencies pre-installed. This will allow you to create new VMs from the custom image, which will significantly reduce the startup time compared to installing the dependencies on each VM individually. You can then use Deployment Manager to create the managed instance group with the custom VM image.

• 5

  Option A, using Terraform to create the managed instance group and a startup script to install the OS package dependencies, would not minimize the startup time for new VMs in the instance group. Option C, using Puppet to create the managed instance group and install the OS package dependencies, would not minimize the startup time for new VMs in the instance group. Option D, using Deployment Manager to create the managed instance group and Ansible to install the OS package dependencies, would not minimize the startup time for new VMs in the instance group.

• Chose B1

  B is ok