多选题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 servicesBEthernet flow point （EFP） is configured on the main interfaceCFeature commands like MQC-based QoS policies can be specifiedDEVC infrastructure is a Layer 2 platform-independent bridging architecture that supports EthernetservicesEEach Ethernet flow point （EFP） matches a predefined VLAN tag-based criteriaFEthernet flow point （EFP） is configured on the VLAN interface
多选题
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
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