单项选择题
What is the minimum recommended access point overlap for voice roaming？（）
A.less than 10 percent
B.10 to 15 percent
C.15 to 20 percent
D.25 to 30 percent
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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 -
单项选择题
UnderU.S.regulatorydomain，whichchannelplandeliversthepropercoverageinalargelecturehallthatrequiresfouraccesspoints？（）
A.1， 4， 7， 11
B.1， 4， 8. 11
C.1， 6， 11， 1
D.2， 4， 6， 8
