What are the minimum steps that should be performed to mitigate this condition?

A customer with an ArubaOS-CX 6300M switch is having a performance issue on the network and has received complaints about users experiencing intermittent connectivity. After performing troubleshooting it is determined that many of the local websites on the LAN that users are unable to reach are resolved to an invalid MAC address.

What are the minimum steps that should be performed to mitigate this condition? (Select two)
A . Implement arp ACLs to define trusted MAC address to IP bindings
B. Enable ‘arp inspection’ on the end-user physical ports
C. Enable ‘arp inspections on the end-user VLAN.
D. Implement dhcpv4-snooping
E. Enable ‘arp inspection untrusted on the end-user physical pons

Answer: A,C