试题详情多项选择题下面接口为物理接口的有()。A、dialerB、语音接口C、serial口D、子接口E、CE1/PRI接口F、虚拟接口模板G、ISDNBRI接口H、备份中心逻辑通道正确答案:B,C,E,G答案解析:关注下方微信公众号,在线模考后查看热门试题MAC的作用是什么?()Refertothegraphic.HoIn a RSTP implementaWhich threeThe IPv6 Refertotheexhibit.BaWhich VTP mode shoul问关于QOS的3种机制。OSI 模型的哪一层定义逻辑In an Ethernet netwoWide Area Network (WWhich authentiTheFrameRelaynetworkRefertotheexhibit.ROWhat threeQWhich of In the E A Host coAn expanding简答分组交换的特点和不足。