多项选择题
A. PathErr : Path error B. ResvErr : Reservation error C. PathConfTear : Path confirmation teardown D. ResvConf : Reservation confirmation E. ResvConfTear : Reservation confirmation teardown
Which multicast mode does Auto-RP require?（）A. Link-mod...
单项选择题Which multicast mode does Auto-RP require?（）
A. Link-mode B. Dense mode C. Sparse mode D. Sparse-dense mode
Which three mechanisims support the forwarding plane of...
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
What is the primary purpose of VPLS?（）A. to create a pa...
单项选择题What is the primary purpose of VPLS?（）
A. to create a partial mesh of VPN sites B. to remove MPLS from VPNs C. to create a point to multipoint topology D. to enable IPsec accross the VPN
