Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）
- AEVC infrastructure is a Layer 3 platform-independent routing architecture that supports IP overEthernet services
- BEthernet flow point （EFP） is configured on the main interface
- CFeature commands like MQC-based QoS policies can be specified
- DEVC infrastructure is a Layer 2 platform-independent bridging architecture that supports Ethernetservices
- EEach Ethernet flow point （EFP） matches a predefined VLAN tag-based criteria
- FEthernet flow point （EFP） is configured on the VLAN interface