1. In Chapter 1, we mentioned that the TCP/IP suite, unlike the OSI model, has no session layer. But an application-layer protocol can include some of the features defined in this layer if needed. Does SMTP or POP3 have any session layer features?
2. In FTP, assume a client with user name John needs to store a video clip called video2 on the directory /top/videos/general on the server. Show the commands and responses exchanged between the client and the server if the client chooses ephemeral port number 56002.