Network Protocols-Layers 0.0 / 5 ? ComputingNetworksGCSEOCR Created by: Cam__SmithCreated on: 17-04-18 12:08 Layer 1 - Data Link Layer Passing data over a physical network - Responsible for how stuff is sent as electrical signals over cables and other hardware. Ethernet 1 of 5 Layer A layer is a group of protocols which have a similar function. 2 of 5 Layer 2 - Network Layer Makes connections between networks, directs data packets and handling traffic. This is used by routers. IP 3 of 5 Layer 3 - Transport Layer Controls data flow - Splits data into packets - Checks packets are sent/delivered TCP 4 of 5 Layer 4 - Application Layer Turns data into websites/applications HTTP,FTP,SMTP 5 of 5
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