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多項選擇題

As the network technician at Company, you need to configure DHCP snooping on a new switch. 
 Which three steps are required? ()

A. Configure the switch to insert and remove DHCP relay information (option-82 field) in forwarded  DHCP request messages.
B. Configure DHCP snooping globally.
C. Configure the switch as a DHCP server.
D. Configure DHCP snooping on an interface.
E. Configure all interfaces as DHCP snooping trusted interfaces.
F. Configure DHCP snooping on a VLAN or range of VLANs.

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