判断题IP VPN业务包括：MPLS VPN三层、MPLS VPN两层（VPLS）、VLANVPN等。A对B错
判断题
IP VPN业务包括：MPLS VPN三层、MPLS VPN两层（VPLS）、VLANVPN等。
A
对
B
错
参考解析
解析：
暂无解析
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