Wednesday, August 14, 2013

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Chapter 11 1. List two advantages of receiving decorate networking. It gives the User mobility in the workplace. less(prenominal) overpriced than hard wiring, it would be cost-effective. 3.What is an ad hoc network? another(prenominal) landmark reach to list an independent network 5.What argon the quaternary physical story technologies being use in 802.11 receiving set networking? Direct period allot spectrum (DSSS), relative frequency hopping spread spectrum (FHSS), infrared, and irreverent frequency office multiplexing (OFDM) 7.Define a pseudo stochastic sequence as it applies to FHSS. Pseudorandom is the number sequence appears random but actually repeats. FHSS uses 79 channels (each 1 megacycle wide) in the ISM 2.4 gigacycle band. 9.What is the frequency ranged used by 802.11a, and what modulation technique is used? The 802.11a masters in the 5 GHz range. The 802.11a standard uses a technique called orthogonal frequency division multiplexing (OFDM) to transport the information everyplace 12 realistic channels in the U-NII (Unlicensed bailiwick info Infrastructure). 11.Define MIMO as it appears to 802.11n. A space-division multiplexing technique where the data drown is split into multiple part called spatial streams. 13.What is the purpose of an rise to power sharpen?
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The vexion point is a transmit/ charter unit (transceiver) that interconnects data from the tuner LAN to the wired network. The access point provides 802.11 MAC mould functions and supports bridge protocols. 15.What is an linkup, and what is its purpose? The terminal association is used to describe that a wireless partnership has been obtained. Access points use the association to build a rotary card of users on the wireless network. 19.In what frequency band does Bluetooth run? The wireless technology called Bluetooth is found on the 802.15 standard. 21.What is a piconet? A piconet is an ad hoc network of up to eight Bluetooth devices such as a computer, mouse, headset, earpiece, and so on. 23.What is the...If you deprivation to get a right essay, order it on our website: Ordercustompaper.com

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