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TCP/IP Suite (part 1) This lesson covers the TCP/IP Suite of protocols for the Internet: - Transmission Control Protocol (TCP): verified delivery to endpoint with one-to-one communication - Internet Protocol (IP): Delivers packets to devices and maps between logical (IP) and physical (MAC). It's a routable protocol. The TCP/IP suite is all of the different protocols all applied together so computer are able to communicate with one another across a network.