How Does a LAN Card Work

A network connection can be established by a number of ways. It can be a network card, a network adapter, a network interface card (NIC) or a lan adapter. These all are hardware devices that are made and designed to communicate over a network of computers. They provide two layers of security i.e. the OSI layer 1, which is a physical layer of security and layer 2 devices, which provides data security. The physical layer provides access to a literal networking medium and the second provides a low level of data security through a MAC addressing sy