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4/22/13 WD2 SA
| Question | Answer |
|---|---|
| adapter | a device that provides connectivity between at least 2 systems |
| transceiver | A device that transmits and receives digital or analog signals |
| Media Access Control (MAC) address | The hardware address of a device connected to a network |
| port | A logical opening in an operating system or protocol stack that allows the transfer of information. Not the same as a TCP or UDP port |
| hub | A device used to connect systems so that they can communicate with one another. |
| Layer 2 switch | A device that forwards traffic based on MAC addresses. |
| Layer 3 switch | a device that connects networks |
| virtual local area network (VLAN) | Logical subgroup within a LAN created with software instead of hardware. |