It is the layer that defines the Actual physical traits on the transmission medium, such as voltage levels, bit prices, connectors and cables. What's more, it handles the transmission and reception of bits around the medium. TELNET means Terminal Community. It establishes the link among the local and remote Pc. https://historyofjudo94704.jiliblog.com/93074865/the-fact-about-massage-outcall-that-no-one-is-suggesting