Which of the following is false about an Azure VNet address space?

A$.)$ VNet address spaces within the Azure cloud can overlap

B$.)$ When connecting an on$-$premises network to an Azure VNet, the VNet address spaces cannot overlap with on$-$premises address spaces

C$.)$ An address space and a subnet are assigned to a VNet by default

D$.)$ Do not use the entire VNet address space for a subnet