Internet - Domain names Each computer directly connected to the Internet has at least one specific IP address. However, users do not want to work with numerical addresses such as 194.153.205.26 but with a domain name or more specifically addresses (called FQDN addresses)...
en.kioskea.net/internet/dns.php3 Internet - ARP The ARP protocol plays a key role among Internet layer protocols relating to TCP/IP, since it enables the physical address of a network interface card corresponding to an IP address to be known. That is why it is called Address Resolution Protocol....
en.kioskea.net/internet/arp.php3