Exam Professional Cloud DevOps Engineer topic 1 question 162 discussion

"Private pools are private, dedicated pools of workers that offer greater customization over the build environment, including the ability to access resources in a private network. Private pools, similar to default pools, are hosted and fully-managed by Cloud Build and scale up and down to zero, with no infrastructure to set up, upgrade, or scale. Because private pools are customer-specific resources, you can configure them in more ways." https://cloud.google.com/build/docs/private-pools/private-pools-overview#overview_of_default_pools_and_private_pools

To implement a solution that minimizes management overhead and allows the CI pipeline integration testing to access APIs inside your private VPC network without exposing API traffic publicly, the appropriate (choice is A). Cloud Build private pools allow you to run builds in a Google Cloud environment with access to your private VPC network. This ensures that the build step for your CI pipeline can access APIs inside the private VPC without exposing API traffic to the public internet. Private pools minimize management overhead by providing a secure and controlled environment for running builds. Options B, C, and D involve different configurations, but they may introduce unnecessary complexity, security risks, or exposure of API traffic to the public internet, which contradicts the security requirements provided.

Vote A

The default pool has limits on how much you can customize the environment, particularly around private network access. Private pools are private, dedicated pools of workers that offer greater customization over the build environment, including the ability to access resources in a private network.

A https://cloud.google.com/build/docs/private-pools/private-pools-overview