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Chapter 11 1. List two advantages of receiving set networking. It gives the User mobility in the workplace. less(prenominal) expensive than hard wiring, it would be cost-effective. 3.What is an ad hoc network? another(prenominal) bourn apply to describe an independent network 5.What are the quaternate physical layer technologies being used in 802.11 radio networking? Direct sequence spread spectrum (DSSS), frequency hopping spread spectrum (FHSS), infrared, and wise frequency division multiplexing (OFDM) 7.Define a pseudorandom sequence as it applies to FHSS. Pseudorandom is the summate sequence appears random but actually repeats. FHSS uses 79 impart (each 1 MHz wide) in the ISM 2.4 gigahertz band. 9.What is the frequency ranged used by 802.11a, and what modulation proficiency is used? The 802.11a get the hang in the 5 GHz range. The 802.11a standard uses a technique called orthogonal frequency division multiplexing (OFDM) to tr ansport the data everywhere 12 possible channels in the U-NII (Unlicensed National data Infrastructure). 11.Define MIMO as it appears to 802.11n. A space-division multiplexing technique where the data float is disrupt into multiple parts called spatial streams. 13.What is the purpose of an entree render?

The accession aspire is a transmit/ consume unit of measurement (transceiver) that interconnects data from the receiving set LAN to the wired network. The access point provides 802.11 MAC layer functions and supports bridge protocols. 15.What is an connector, and what is its purpose? The ter m association is used to describe that a wir! eless alliance has been obtained. chafe points use the association to build a circuit beak of users on the wireless network. 19.In what frequency band does Bluetooth operate? The wireless technology called Bluetooth is based 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 want to get a adept essay, ordination it on our website: BestEssayCheap.com

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