What Is Done To An Ip Packet Before It Is Transmitted Over The Physical Medium ?
What Is Done To An Ip Packet Before It Is Transmitted Over The Physical Medium ?
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Before an IP packet is transmitted over the physical medium, it generally undergoes some form of encapsulation. An IP packet may be encapsulated in a data link layer protocol such as Ethernet or Wi–Fi, then wrapped in an analog or digital signal and transmitted over cables, radio waves or optical fibers. The receiving end then decapsulates the packet to extract the data.
An IP packet is first encapsulated in a data link layer frame, such as Ethernet, before it is transmitted over the physical medium. This involves adding a header, trailer, and other fields to the packet, such as the source and destination MAC addresses, to enable the data to be sent over the network.