Application Layer: Renders content specifying what protocol needs to be used in order to use the application that is being sent or received , HTTP, HTTPS, FTP, POP, IMAP, SMTP, Transport Layer: Transmission Control Protocol, Establishes an end-to-end connection between the source and recipient computer., Splits data into packets and labels them with the packet number, number of packets and the port number of the protocol being used, Requests retransmission of packets that have not arrived (been lost), Network/ Internet Layer: IP Protocol, Adds the source and destination IP addresses to the packets, Routers operate on this layer, using the IP address to forward packets to other networks, Data Link Layer: The connection between the network devices adding the MAC address to identify the NIC of the source and destination , Ethernet Protocol,

TCP / IP Model

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