单项选择题
A.12 percent
B.6 percent
C.18 percent
D.24 percent
单项选择题 Whatisthemaximumnumberofhexadecimalcharactersallowedwhenconfiguringthewpaorwpa2passphraseinciscoadu？（）
单项选择题 Onawlancontroller，whatisthedefaultlimitonthenumberofentriesinthedatabasethatwillbeusedforlocalauthentication？（）
单项选择题 You are using adu and are authenticated and associated to an access point. however， you are unable to obtain an ip address. Which of these has caused this problem？（）