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多項(xiàng)選擇題

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

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單項(xiàng)選擇題

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

多項(xiàng)選擇題

What are three examples of a CPE-provisioned VPN? （）

A.L2TP
B.2547bis
C.L2F
D.PPTP
E.MPLS

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