It is the layer that defines the physical attributes with the transmission medium, which include voltage levels, little bit fees, connectors and cables. In addition, it handles the transmission and reception of bits above the medium. These packets journey separately and are reassembled in the proper buy whenever they reach https://golinkdirectory.com/listings13307890/5-tips-about-outcall-massage-therapist-near-me-reviews-you-can-use-today