The VMware Workstation Virtual Network operate at OSI level/layer 2/3 . . . below, is hopefully some useful background reading which may help you answer some of your questions:

VMware Virtual Networking Concepts
https://docs.vmware.com/en/VMware-Workstation-Pro/16.0/com.vmware.ws.using.doc/GUID-8FDE7881-C31F-48...

Set Up Routing Between Two Host-Only Networks
https://docs.vmware.com/en/VMware-Workstation-Pro/16.0/com.vmware.ws.using.doc/GUID-87995B4F-5945-4A...

A tool is provide to manage Virtual Networks (either locate 'vmnetcfg.exe' or alternatively click Edit > Virtual Network Editor from within VMware Workstation).