A virtual

Networking is the interconnection of multiple devices, generally termed as Hosts connected using multiple paths for the purpose of sending/receiving data or media. [Source: GeeksforGeeks]

connects virtual machines and devices, no matter their location, using software. In a physical

Networking is the interconnection of multiple devices, generally termed as Hosts connected using multiple paths for the purpose of sending/receiving data or media. [Source: GeeksforGeeks]

, layer 2 and 3 functions of the OSI model happen within physical switches and routers. [Source: Vmware]