单项选择题 Whichservicecomponentintheimplementphaseistypicallyperformedpriortothehandoverofawirelesssolutiontothecustomer’soperationsorganization？（）

单项选择题 When optimizing a standalone point-to-multipoint bridge installation with eight non-root bridges Which of the following rts threshold and cwmin settings would be correct for the non-root bridges？（）

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？（）