Which two statements about dynamic ARP inspection are true? (Choose two.)
A. Dynamic ARP inspection checks ARP packets on both trusted and untrusted ports.
B. Dynamic ARP inspection is only supported on access and trunk ports.
C. Dynamic ARP inspection checks invalid ARP packets against the trusted database.
D. The trusted database to check for an invalid ARP packet is manually configured.
E. Dynamic ARP inspection does not perform ingress security checking.
F. DHCP snooping must be enabled.
