试题详情
- 多项选择题Which two of these are characteristics of MPLS VPNs?（）
A、Layer 3 MPLS VPNs can forward only IP packets
B、Layer 2 MPLS VPNs can forward any network protocol
C、MPLS label paths are automatically formed based on Layer 2 frames
D、Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
E、In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
- A,B
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