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How does the Ethernet Relay Service use the VLAN tag？（）
- A、 to provide service internetworking
- B、 to support transparency for Layer 2 frames
- C、 as a connection identifier to indicate destination
- D、 as a mapping to the DLCI in service internetworking
- E、 to provide a trunk by which all VLANs can navigate from one site to one or multiple sites
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更多 “How does the Ethernet Relay Service use the VLAN tag？（）A、 to provide service internetworkingB、 to support transparency for Layer 2 framesC、 as a connection identifier to indicate destinationD、 as a mapping to the DLCI in service internetworkingE、 to provide a trunk by which all VLANs can navigate from one site to one or multiple sites” 相关考题
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