In the text, we identify four different addresses that are normally used during the passage of a

Question:

In the text, we identify four different “addresses” that are normally used during the passage of a message from source to destination using TCP/IP and Ethernet. These include a “user-friendly” address, a port number, an IP address, and a physical address. For each “address”, state which layer or pair of layers uses that address and explain carefully how the address is used.