单项选择题

WhenplanningforvoicedeploymentswiththeCiscoUnifiedWirel……

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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热门试题

多项选择题Whichthreeitemsshouldthesitesurveydocumentationinclude？（）

A.photographs
B.floor plans
C.wired network layout
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A.0.25 W
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A.#6 solid copper
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C.#20 solid copper
D.#22 solid copper

单项选择题Byhowmuchisasignal’sstrengthreducedwhenthesignalpassesthroughanobjectthatintroduces3dBofattenuation？（）

A.1/6
B.1/4
C.1/3
D.1/2

单项选择题Whatistheminimumrecommendedaccesspointoverlapforvoiceroaming？（）

A.less than 10 percent
B.10 to 15 percent
C.15 to 20 percent
D.25 to 30 percent