多选题You want to enhance the security within the LAN and prevent VLAN hopping. What two steps canbe taken to help prevent this？（）AEnable BPD guardBDisable CDP on ports where it is not necessaryCPlace unused ports in a common unrouted VLANDPrevent automatic trunk configurationEImplement port security
多选题
You want to enhance the security within the LAN and prevent VLAN hopping. What two steps canbe taken to help prevent this？（）
A
Enable BPD guard
B
Disable CDP on ports where it is not necessary
C
Place unused ports in a common unrouted VLAN
D
Prevent automatic trunk configuration
E
Implement port security
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