You can connect various GCP resources to each other using the Google-owned global network, and isolate them from one another by using their Virtual Private Cloud (VPC) Network.
Let’s see how we can create a VPC Network.
You have the option to select the subnet creation mode – [Custom or Automatic]. Custom lets you Enter your own Subnet name, Region and IP Address. In Automatic, you have a list of Subnets as well as a list of Firewall you can choose from.