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

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多项选择题

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

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

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?（）

A. All packets set to be forwarded out interface ge-3/0/0 will be dropped by the firewall filter fire1.
B. All packets set to be forwarded out interface ge-3/0/0 will NOT dropped by the firewall filter fire1.
C. All packets entering the router on interface ge-3/0/0.0 will be dropped by the firewall filter fire1.
D. All packets set to be forwarded out interface ge-3/0/0, except those sourced locally by the Routing Engine, will be dropped by the firewall filter fire1.

单项选择题

Given the following LSP configuration, which statement is true? （）

A. The router will use path1 when it is available and stable.
B. The router will use path3 when it is available and stable.
C. The router will attempt to establish path2 only when path1 and path3 are down.
D. The router will attempt to establish path1 only when path2 and path3 are down.