The Cisco Aironet 1140 Series Access Point draws 12.95 W at the power source. However， whenusing a long Ethernet cable， the device can draw up to how much additional wattage？（）

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

单项选择题Toprovideefficientroamingbetweenthecells，whichpercentofcelloverlapisrecommendedfor2.4GHzand5GHzaccesspoints？（）

A.5 to 10 percent for both 2.4 GHz and 5 GHz
B.10 percent for both 2.4 GHz and 5 GHz
C.20 percent for 2.4 GHz and 15 to 20 percent for 5 GHz
D.20 percent for 2.5 GHz and 10 percent for 5 GHz