mac address is hardcoded in hexdecimal- the format is made with 24 bits (6 values) - who made it (the last 24 bits (6 values) = serial number of device. ethernet addressing is mac address
DLL (not to be confused with a Dynamic Link Library - which basically function similiarly to java in web design. They contain both code that can be accessed by multiple applications at once as well as links to other resources)
a frame is a data link layer component. the data link layer is responsible for local network communication passing information and data in the form of frames through the local network.
NLL network interface layer network interface cards - take physical digital signal and convert it into a frame DLL (data link layer) (signal to 1's and zeros to frame) (frame to 1's and zeros to signal)each ip network is unique to the network.
a cross over cable allows two computers to communicate with one another (closed non internet network) if you change the ip network of a device it will then be on the network. working example: device one 192.168.104.1 device two 192.168.104.2 non working example: device one 192.168.102.1 device two 192.168.104.2 IPV6 is generally converted on IP4 networks through "network adapters" tunneling. cmd -? ipconfig will show tunneling adapters packet inter net gropper (ping) ping 192.168.104.2 - unreachable reasons "turned off" - "bad ip" "broken ethernet" - "broken router" ipconfig /all - lol (for mac address) which is the same as the physical address you cannot have two devices on the same local network with different global ip addresses that just doesnt work the outside global network is determined by the gateway ip