There are a range of options for each part. the network backend that interacts with the emulated NIC (e.g.the virtual network device that is provided to the guest (e.g.There are two parts to networking within QEMU: 6.2.6 Windows 2000, Windows XP, Windows 7.5.2 How to use tap with a wireless adapter on the host.3.1 How to create a virtual network device?.2.2.1.2 Advanced user networking options.2.2.1.1 Enabling ping in the guest, on Linux hosts.