COMPUTER NETWORKING

Detailed explanation-1: -Terminology. In the seven-layer OSI model of computer networking, packet strictly refers to a protocol data unit at layer 3, the network layer.

Detailed explanation-2: -The network device saves the packet in a buffer in the device’s memory (the card usually keeps several packets at once in a circular buffer). The network device raises an interrupt. The interrupt handler allocates and initializes a new socket buffer for the packet.