What two mechanisms are used by Dynamic ARP inspection to validate ARP packets for IP addresses that are dynamically assigned or IP addresses that are static? (Choose two.)
- MAC-address-to-IP-address bindings
- RARP
- ARP ACLs
- IP ACLs
- Source Guard
Explanation: Two methods can be used by Dynamic ARP Inspection (DAI) to determine the validity of MAC-address-to-IP-address bindings. One is a bindings database built by DHCP snooping. The other method is through the use of user-configured ARP ACLs.
Exam with this question: CCNA Security Chapter 6 Exam Answers
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