In the  PPPoE  application of  ADSL  , when the  CPE  side uses the  MSR  router  + ADSL  interface card for networking, and the  CO  side  DSLAM  uses  ATM  for uplink, which interfaces need to be  PPPoE-  related on the  CO  side centralized router (  PPPoE Server  ) Configuration  ?

In the  PPPoE  application of  ADSL  , when the  CPE  side uses the  MSR  router  + ADSL  interface card for networking, and the  CO  side  DSLAM  uses  ATM  for uplink, which interfaces need to be  PPPoE-  related on the  CO  side centralized router (  PPPoE Server  ) Configuration  ?
A . ATM  interface
B . Yi Tai Ethernet port
C . Virtual-Ethernet
D . Virtual-Template
E . dial number Interface

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Answer:   ACD