In GPON network, multiple service flows can be configured under one gemport. Which of the following statements is incorrect?

In GPON network, multiple service flows can be configured under one gemport. Which of the following statements is incorrect?
A . Service flows differentiated according to Ethertype, service flows that can be configured with SPPPoE (EtherType = 8863/8864) and IPoE (EtherType !=8863/8364) under a gemport
B . Dividing multiple services according to VLA
C . Under a gemport, eight different service flows can be configured according to different user VLA
D . According to different user VLAN, they are divided into: untagged, uservlan, priority tagged, and other-all.
E . Dividing multiple services according to 802.1p. You can configure eight different service flows according to the user’s vlan+ priority in one gemport.
F . Dividing multiple services by port. You can configure different service flows according to different user ports under one gemport.

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Answer: D