单项选择题
Into which protocol are LDP hello messages encapsulated?()
A.IP B.TCP C.UDP D.MPLS
单项选择题 Which represents a correct PE-PE BGP configuration for an L3 VPN?()
单项选择题 InJUNOSsoftware,whatisrequiredtoredistributeRIProutesintoOSPF?()
单项选择题 WhichLSAistheType10?()