# CWNA REVIEW ?'S CHAPTER 3 RADIO FREQ, COMPONENTS, MEASUREMENTS AND MATHEMATICS

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THE STUDY QUESTIONS TO THIS EXAM ARE FROM THE NEW UPDATED CWNA CHAPTER 3 QUESTIONS.

Created Jun 20, 2009
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sircaesar

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 Side A Side B 1 What Rf Component is responsible for generating the AC signal Transmitter 2 a point source that radiates signal equally in all directions is known as what ? isotropic radiator 3 When calculating the link budget and system operating margin of a point to point outdoor WLAN... Distance, Recieve sensitivity, Transmit Amplitude, Cable loss, Frequency 4 The sum of all components from the transmitter to the antenna, not including the antenna, is... IR, and Intentional Radiator 5 The highest RF signal strength tha tis transmitted from an antenna is known as what? EIRP - Equivalent isotrpically radiated power 6 Select the units of power Watt, MilliWatt, Dbm, 7 Select the units of comparison(relative) dbi, Decibel Dbd, Bell 8 2 Dbd is equal to how many dbi 4.14 dbi(add 2.14 to the dbd value) 9 23 dbm is equal to how many mw 200mw 10 A wireless bridge is configured to transmit at 100mw. The antenna cable and connectors produce... 2000 mw 11 A WLAN transmitter that emits a 400 mw signal is connected to a cable with a 9db loss. If the... 4,000 MW OR 4 WATTS 12 WLAN  vendors use RSSI threshold to trigger which radio card behaviors ? Roaming and Dynamic Rate Switching 13 Recieved signal strength indicator (RSSI) metrics are used by 802.11 radios to define which... Signal Strength 14 dbi is a measure of what? The signal increase caused by the antenna 15 Which of the following are valid calculations when using the rule of 10's and 3's For very 3db of Gain double the abosolute powerFor every 10db of loss divide the abosolute...