Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）
- A、EVC infrastructure is a Layer 3 platform-independent routing architecture that supports IP overEthernet services
- B、Ethernet flow point （EFP） is configured on the main interface
- C、Feature commands like MQC-based QoS policies can be specified
- D、EVC infrastructure is a Layer 2 platform-independent bridging architecture that supports Ethernetservices
- E、Each Ethernet flow point （EFP） matches a predefined VLAN tag-based criteria
- F、Ethernet flow point （EFP） is configured on the VLAN interface
正确答案:B,D,E,F
答案解析:有
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