Students at a residence hall are reporting internet connectivity issues. The universitys network administrator configured the residence halls network to provide public IP addresses to all connected devices, but many student devices are receiving private IP addresses due to rogue devices. The network administrator verifies the residence halls network is correctly configured and contacts the security administrator for help. Which of the following configurations should the security administrator suggest for implementation?

• Router ACLs

• BPDU guard

• Flood guard

• DHCP snooping