What is the effect of entering the ip dhcp snooping configuration command on a switch?
- It enables DHCP snooping globally on a switch.
- It enables PortFast globally on a switch.
- It disables DTP negotiations on trunking ports.
- It manually enables a trunk link.
Explanation: The ip dhcp snooping global configuration command is used to activate the DHCP snooping security feature on the switch. It is the essential first step that must be performed before an administrator can configure trusted interfaces or enable the feature for specific VLANs to mitigate DHCP spoofing and starvation attacks.
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