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

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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