Computer Networks·OSI & TCP/IP Models·CoreWhy a packet needs two addressesA packet travelling across the internet carries both a MAC address and an IP address. Why are both needed?AMAC is used on local networks and IP on the internet, so only one applies at a timeBMAC is a backup used when IP routing failsCIP identifies the final destination; MAC identifies the next device on this linkDIP can change during transit, so MAC provides a stable identifierCheck answer