Which IOS features are used to avoid Routing loops when dynamic Routing protocols are used betweenPE and CE in MPLS-VPN networks?() Site Of Origin SOO.。 SHAM links with OSPF。 BGP cost community。 BGP feature allow-as in。 RPF Reverse Path forwarding.。 Access-list Control in Distance Vector protocol like RIP and EIGRP.。
检测备用通道状态,根据备用通道状态的好坏而判决是否发生倒换的方式是() 人工倒换。 倒换清除。 协议倒换。 强制倒换。
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What authentication type is used by SNMPv2?()