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