The correct answer is LAN.Ethernet and token rings are types of LAN (Local Area Network). Token Ring is a computer networking technology used to build LAN. It was introduced by IBM in 1984.Ethernet is a family of wired computer networking technologies commonly used in LAN.It is also used in metropolitan area networks (MAN) and wide area networks (WAN).Ethernet generally uses Bus Topology. Additional InformationA local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.A wide area network (WAN) is a telecommunications network that extends over a large geographic area. Wide area networks are often established with leased telecommunication circuits.