It is not possible to add the new link because it would replace an existing, longer link.
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== Purpose == |
== Purpose == |
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The network controller implements the electronic circuitry required to communicate using a specific [[physical layer]] and [[data link layer]] standard such as [[Ethernet]] or [[Wi-Fi]].{{efn|Although other network technologies exist, Ethernet ([[IEEE 802.3]]) and Wi-Fi ([[IEEE 802.11]]) have achieved near-ubiquity as LAN technologies since the mid-1990s.}} This provides a base for a full network |
The network controller implements the electronic circuitry required to communicate using a specific [[physical layer]] and [[data link layer]] standard such as [[Ethernet]] or [[Wi-Fi]].{{efn|Although other network technologies exist, Ethernet ([[IEEE 802.3]]) and Wi-Fi ([[IEEE 802.11]]) have achieved near-ubiquity as LAN technologies since the mid-1990s.}} This provides a base for a full network protocol [[stack]], allowing communication among computers on the same [[local area network]] (LAN) and large-scale network communications through routable protocols, such as [[Internet Protocol]] (IP). |
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The NIC allows computers to communicate over a computer network, either by using cables or wirelessly. The NIC is both a physical layer and data link layer device, as it provides physical access to a networking medium and, for [[IEEE 802]] and similar networks, provides a low-level addressing system through the use of [[MAC address]]es that are uniquely assigned to network interfaces. |
The NIC allows computers to communicate over a computer network, either by using cables or wirelessly. The NIC is both a physical layer and data link layer device, as it provides physical access to a networking medium and, for [[IEEE 802]] and similar networks, provides a low-level addressing system through the use of [[MAC address]]es that are uniquely assigned to network interfaces. |
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