You use Dynamic ARP Inspection on data center switches Which two options can the switches use to perform ARP validation?

You use Dynamic ARP Inspection on data center switches Which two options can the switches use to perform ARP validation? (Choose two.)
A. syslog
B. a 802.1x user authentication database
C. access control lists configured on each switch port
D. astatic ARP access list
E. a DHCP binding database