What is a Network Interface Card or NIC Adapter?
NIC stands for Network Interface Card. NICs are also known as network interface cards, network adapters, or LAN adapters. A NIC adapter is the most important device in building a network. The network adapter card is physically attached to the network cabling. It is responsible for receiving and transmitting data at the physical level.
A NIC adapter transmits data onto the network and receives data from the network. It works at the data link protocol level. A NIC provides an attachment point for a specific type of cable, such as coaxial cable, twisted-pair cable, or fiber-optic cable. NICs for wireless LANs typically have an antenna for communication with a base station. A network adapter has a unique IP address....