单项选择题
A.rts threshold = 1，cwmin = 4
B.rts threshold = 4000，cwmin = 5
C.rts threshold = 4000，cwmin = 3
D.rts threshold = 1，cwmin = 5
单项选择题 You review the failed attempts logs on an aaa server and find： "unknown network access server error." Which failure could produce this error？（）
单项选择题 During the installation of the cisco wcs version 4.0，an error occurs. Where would you look for the installation log，in order to learn more about this error？（）
单项选择题 You are configuring an rf group of controllers that coordinate radio resource management calculations. What is the maximum number of wlan controllers that you can add？（）