单项选择题
When planning for voice deployments with the Cisco Unified Wireless IP Phone 7921G handset in amultifloor building with a WLAN that operates at an 11 MB/s data rate， how many decibelsreferenced to 1 milliwatt of same-channel separation are recommended between floors？（）
A.13 dBm
B.19 dBm
C.25 dBm
D.31 dBm
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相关考题
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多项选择题
Whichthreeitemsshouldthesitesurveydocumentationinclude？（）
A.photographs
B.floor plans
C.wired network layout
D.blueprints -
单项选择题
TheCiscoAironet1140SeriesAccessPointdraws12.95Watthepowersource.However，whenusingalongEthernetcable，thedevicecandrawuptohowmuchadditionalwattage？（）
A.0.25 W
B.0.45 W
C.1 W
D.1.25 W
E.2.45 W
F.5.65 W -
单项选择题
Whenusingalightningarrestor，connectwhichtypeofgroundwiretoagoodearthground？（）
A.#6 solid copper
B.#12 solid copper
C.#20 solid copper
D.#22 solid copper
