单选题Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）Aon the SRPBon the I/O adapterCon the egress line moduleDon the ingress line module
单选题
Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）
A
on the SRP
B
on the I/O adapter
C
on the egress line module
D
on the ingress line module
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