单项选择题

How is a Martini Layer 2 MPLS VPN established?（）

A. established using LDP
B. established using BGP
C. established using RSVP
D. established using IP

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多项选择题

Given the following MPLS L2 configuration command:
mpls-relay 10.1.1.1 4
Which two statements true? （）(Choose two.)

A. This command is applied to the core router facing interface.
B. This command is applied to the customer facing interface.
C. The 4 is locally significant and identifies the layer 2 circuit.
D. The 4 must match exactly on the peer router configuration on the remote end.

单项选择题

Which term describes a group of packets sharing common forwarding characteristics?（）

A. common forwarding class
B. forwarding equivalence class
C. equivalent class characteristics
D. forwarding class characteristics

单项选择题

What is a Label-Switched Path?（）

A. a traffic engineered path
B. another name for a Frame Relay PVC
C. a bidirectional path through a network
D. a unidirectional path through a network