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
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相关考题
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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?（）
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 -
多项选择题
What are three examples of a CPE-provisioned VPN? （）
A.L2TP
B.2547bis
C.L2F
D.PPTP
E.MPLS
