多项选择题
Which three mechanisims support the forwarding plane of a Layer 3 VPN in JUNOS software? （）
A. MPLS LSP B. ATM tunnel C. GRE tunnel D. IPSEC tunnel E. L2TPv3 session
单项选择题 What is the primary purpose of VPLS?（）
多项选择题 What are three examples of a CPE-provisioned VPN? （）
单项选择题 Click the Exhibit button. Referring to the exhibit, which statement is true about the IP packet flow through interface ge-3/0/0.0?（）
