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A. techniques applied to ensure the security of an existing dhcp infrastructure
DHCP snooping is a network security feature that acts as a firewall between untrusted hosts and DHCP servers. It helps mitigate the risks associated with rogue DHCP servers and DHCP attacks, such as IP address spoofing. When enabled, DHCP snooping allows only trusted DHCP servers to allocate IP addresses to clients, ensuring that only valid DHCP responses are processed. It builds a binding table that keeps track of which IP addresses are assigned to which MAC addresses, interfaces, and VLANs, enhancing network security and stability.