单项选择题
Which VPN router does not contain customer routing knowledge?（）
A. Provider Core (P) B. Provider Edge (PE) C. Customer Edge (CE) D. Customer Boundary (CB)
单项选择题 In BGP MPLS VPNs, which router maintains VPN-specific routing tables, also known as VRFs?（）
单项选择题 Which configuration command sets the MPLS interface bandwidth to 15 Mbps?（）
单项选择题 Which interface tunnel parameter allows an LSP to use a specified explicit route?（）
