Chapter 4

4. The Location of workstations and other user devices
5. Network cabling that interconnects telecommunications closets (IDFs) and equipment rooms
10. A method for transmitting data in which two wires of opposite polarity are used.
12. Devices that use infrared signals to communicate
15. The location of cabling and equipment that connects an orginization's network to a third-party telecommunication provider.
16. Similar to EMI but RFI is usually interference caused by strong broadcast sources
17. A unit expressing how many times per second a signal or electromagnetic wave occurs
18. A length of cable between two network devices, such as a NIC and a switch.
20. The Location in the cable plant where a connection to a WAN is made
21. A grade of cable suitable for data networking

1. interference that one wire generates on another wire when both wires are in a bundle
2. A device that transmits and receives.
3. A type of patch cable that uses the 568B standard on one end and the 568A standard on the other end
6. Low-powered, two-way radio communications systems, such as those used in Taxis, police radios, and other private radio systems
7. A short cable used for connecting a computer to a RJ-45 Jack or connecting a patch-panel port to switch.
8. The Collection of all cables and connectors tying a network together
9. The attachment of RJ-45 Plugs on a cable to make a patch cable, or punching down cable wires into a terminal block
11. A very long-wavelength light source in the invisible spectrum that can be used to transmit data wirelessly
13. The disturbance to the operation of an electronic circuit or its data caused by devices that emit an electromagnetic field
14. A grade of cable that's not suitable for data networking but is suitable for voice communication
19. Representing 0s and 1s as a physical signal such as an electrical voltage or light pulse