Hub - Traffic going in one port is repeated to every other port, OSI layer 1, Bridge - Makes forwarding decisions in software, Connects different physical networks, wireless access points, layer 2 , Switch - Bridging done in hardware, layer 2, Router - a device that connects two or more packet-switched networks or subnetworks Routes traffic between IP subnets, layer 3, Access point - Extends the wired network onto the wireless network, layer 2, Cable modem - Data on the “cable” network, DSL modem - Uses telephone lines, Repeater - Receive signal, regenerate, resend, Converting media - OSI Layer 1 - Physical layer signal conversion, Layer 3 capable switch - A switch (Layer 2) and router (Layer 3) in the same physical device,

2.1 - Networking Devices

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