多项选择题
A.DAI intercept all ARP packets on untrusted ports
B.DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.
C.DAI is used to prevent against a DHCP Snooping attack.
D.DAI forwards all ARP packets received on a trusted interface without any checks.
E.DAI forwards all ARP packets on untrusted ports.
F.DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.
多项选择题 Whichtwostatementsaretrueabouttrustboundaries？（）
单项选择题 Refer to the exhibit. What problem is preventing users on VLAN 100 from pinging addresses on VLAN 200？（）
多项选择题 Cisco Express Forwarding has been enabled on router TK1. With CEF， prefixes that require exception processing can be cached with one of which four special adjacencies？ （）