交换网络中STP协议的桥ID如下，拥有下列哪个桥ID的交换机会成为根桥? A32768 00-01-02-03-04-AA B32768 00-01-02-03-04-BB C32768 00-01-02-03-04-CC D4096 00-01-02-03-04-DD
参考答案：D
