Cisco CCNA 200-301 Practice Question

A network administrator is implementing Dynamic ARP Inspection (DAI) on a switch to mitigate ARP spoofing attacks. For DAI to function correctly in a dynamic environment, which source of information does it primarily rely on to validate the bindings between IP and MAC addresses?

  • The DHCP snooping binding database

  • A reverse DNS lookup server

  • The local ARP cache of the switch

  • The switch's MAC address table

Cisco CCNA 200-301
Security Fundamentals
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