Which of the Following Statements Is True Regarding Networking with Libvirt

Which of the following statements is true regarding networking with libvirt?

A) Libvirt's network functionality is limited to connecting virtual machines to a physical network interface of the host system.
B) Libvirt networks appear, by default, as standard Linux bridges in the host system.
C) Libvirt assigns the same MAC address to all virtual machines and isolates their network interfaces at the link layer.
D) Libvirt requires a dedicated network interface that may not be used by the host system.
E) Libvirt supports exactly one virtual network and connects all virtual machines to it.