Which statements about DHCP snooping are true? (Choose three.)
A. The DHCP snooping binding table contains dynamic binding entries and static binding entries.
B. DHCP snooping distinguishes the trusted interface and untrusted interfaces and discards DHCP Reply messages from untrusted interfaces.
C. The static binding table is manually configured on the inbound interface and the aging time can also be manually set.
D. When DHCP snooping is used at Layer 2, the interface information can be obtained for the binding table even if the Option 82 function is not configured.