Question

Devices on a network are identified by what
?

Answer 1

Answer:

Each network device has a network card that connects that device to the network. The network interface card (NIC) has a MAC address and a TCP/IP address to identify itself to the network. The MAC address is hardware assigned at the factory when the device is manufactured. It can never be changed.

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Answer 2

Explanation:

Briefly, the first one or two bytes of data, depending on the class of the network, generally will indicate the number of the network. The third byte indicates the number of the subnet and the fourth byte indicates the host (device) number on the network. The host cannot be either 0 or 255