单项选择题
Which type of VPN router is not required to run MPLS?（）
A. Provider Core (P) B. Provider Edge (PE) C. Customer Edge (CE) D. Customer Boundary (CB)
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?（）
单项选择题 Which configuration command sets the MPLS interface bandwidth to 15 Mbps?（）
