多项选择题
Which two routes do P routers see by default in a BGP MPLS VPN configuration? （）(Choose two.)
A. IGP routes advertised by P routers B. IGP routes advertised by PE routers C. VPN routes advertised by PE routers D. VPN routes advertised by CE routers
单项选择题 Which type of VPN router is not required to run MPLS?（）
单项选择题 Which VPN router does not contain customer routing knowledge?（）
单项选择题 In BGP MPLS VPNs, which router maintains VPN-specific routing tables, also known as VRFs?（）
