It Is the layer that defines the Bodily traits in the transmission medium, which include voltage levels, bit premiums, connectors and cables. Furthermore, it handles the transmission and reception of bits about the medium. Rationalization: The TCP/IP design is made up of 4 levels: software, transportation, Net, and community entry. https://maps.app.goo.gl/dB9WkS2Ye8j5Eymz9