Which three items should the site survey documentation include？（）

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

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

单项选择题WhichclassofCiscoaccesspointsoperateunderIEEE802.3afpower？（）

A.Class A
B.Class 1
C.Class 2
D.Class 3
E.Class 4