Extranet VPN for an Organisation

When using the Internet Protocol (IP) protocol, you may take use of a feature known as "best effort." In terms of flow control, describe the services offered by the IP protocol, and perhaps the ICMP protocol, as well as other protocols ( ensuring the sender does not overwhelm the receiver).

FTP doesn't have a built-in method for tracking the progress of files that have been sent to clients. File Transfer Protocol (FTP) depends on a different protocol at the TCP/IP architecture's Transport layer to guarantee a successful transfer.

4. The following diagram shows the TCP connection handshake. For each of the 3 messages in the handshake fill in the associated blanks to identify what flag is set (SYN, ACK). Client| Server 1) 2) 3)