Application: Taking a webpage and preparing it using HTTP, Taking the file you requested and preparing it using FTP, Taking the email you have just written and preparing it using IMAP, Transport: Splitting the data into packets , Numbering each packet in sequence, Internet: Adding the IP address of the recipient, Adding the IP address of the source, Network: Preparing the packet to be sent over Wi-Fi, Preparing the packet to be sent over Ethernet,

1.3.2 Layers

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