In the Ethernet access application, the correct statement about the deployment of the access point  AN  and the aggregation equipment  AGG  at the edge of the operator’s access network is  ____  .

In the Ethernet access application, the correct statement about the deployment of the access point  AN  and the aggregation equipment  AGG  at the edge of the operator’s access network is  ____  .
A . the AN  taken when a switcher, three switches can team with respect to the end-user access to a higher density to achieve
B . When AN  adopts a Layer 2 switch, it needs to support and deploy complex Layer 2 isolation and security features on  AN  and  AGG
C . When AN  adopts a three-layer switch, it is more helpful to control the scope of the broadcast domain than a two-layer switch
D . When AN  uses a three-layer switch, the maximum number of user terminals that an  AGG  device can connect to will no longer be limited by the number of its own  MAC  address table entries

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Answer:   BCD