A.水平隔離, B.垂直隔離, C.傾斜隔離, D.空間隔離.
A.優(yōu)化無線信號覆蓋, B.優(yōu)化無線信號質量, C.切換問題優(yōu)化, D.優(yōu)化無線數(shù)據(jù)業(yè)務.
A.0-503, B.0-255, C.0-127, D.0-999.