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【单选题】
MSTP与STP、RSTP相比,主要是用于解决( )问题。A.
提高交换网络的收敛速度
B.
广播风暴
C.
Mac地址混乱
D.
启用vlan的交换网络中环路问题
拍照语音搜题，微信中搜索"皮皮学"使用
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