You are creating a custom VPC network. You need to create a subnet in the us-west1 region with a CIDR range of 10.0.1.0/24. What is the correct approach?

Create the VPC in auto mode, which automatically creates this specific subnet.

Create the VPC in custom mode, then manually add the subnet specifying the region and CIDR range.

Create a global subnet and assign it to the us-west1 region.

Use Cloud Router to automatically provision the subnet.