下面是注册 Agile Controller 控制器 失败原因的是（）
A.A-internal error of the controller
B.B-the device is not added to the controller
C.C-controller node allocation fails
D.D-the channel can not be established
正确答案是ABCD
下面是注册 Agile Controller 控制器 失败原因的是（）
A.A-internal error of the controller
B.B-the device is not added to the controller
C.C-controller node allocation fails
D.D-the channel can not be established
正确答案是ABCD