Itt220:Ch 11 : Pg443

IT220
CH11;PG443;Q:1-31

1. Allowed To Roam ; Cost effective
2. Physical mould, MAC Layer , MAC Mngt protocol and services
3. An independent network
4. Use of multiple vex points to extend gateway
5. Direct sequence spread spectrum , frequency hopping spread spectrum; infrared; orthogonal frequency division multiplexing
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7. everywhere the course of time, the pseudorandom sequence would use the same 79 carry , each 1 MHz wide
8. Hopping sequence
9. 802.11A :operates in the 5GHz range and uses OFDM modulation
10. 802.11A 54mbps 802.11B 11mbps 802.11G 54mbps 802.11N two hundred+mbps

11. Multiple input/Multiple Output ; A space-division multiplexing proficiency where the selective information steam is split into multiple parts called spatial streams
12. The provide save mode is active until multiple selective information paths are required for faster transmission
13. To fall by the wayside radio access using the 802.11x specs
14. The Service Set Identifier , SSID, is used to determine what data is allowed to connect to the network
15. Association is used to describe that a wireless connection has been made
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Indoor:
Electrical power ; Wired connections ; devil point placement ; RF Coverage
Outdoor:
Electrical power ; connection back to the home network ; antenna weft ; rf coverage
19. Bluetooth operates on the 2.4GHz frequency band.
20. Class 1: military group: 20 dBm ~100m
Class 2:Power 4dBM ~ 10m
Class 3:Power 0dBm ~1m

21. An Ad-HOC network of up to 8 Bluetooth devices
22. Inquiry function is used by Bluetooth to discover other Bluetooth devices or to allow itself to be discovered
23. Paging procedure sed to establish and synchronize a connection between two Bluetooth devices.
24. Reflection of the radio waves hitting the RFID tag and reflecting back to the transmitter
25. Means of Powering the tag / Frequency of routine / Communications Protocol
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