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packet switching. n. A method of data transmission in which data is broken into small blocks that are transmitted over different channels and are reassembled into their original order at their destination.
Packet sniffing is a technique of monitoring every packet that crosses the network. A packet sniffer is. a piece of software or hardware that monitors all network traffic. The security threat presented by. sniffers is their ability to capture all incoming and outgoing traffic, including clear-text passwords and.