Refer to the Exhibit

Multiple Choice

Refer to the exhibit. An engineer must tune the Cisco IOS device to mitigate an attack that is broadcasting a large number of ICMP packets. The attack is sending the victim's spoofed source IP to a network using an IP broadcast address that causes devices in the network to respond back to the source IP address. Which action does the engineer recommend?

A) Use command ip verify reverse-path interface Use command ip verify reverse-path interface
B) Use global configuration command service tcp-keepalives-out Use global configuration command service tcp-keepalives-out
C) Use subinterface command no ip directed-broadcast Use subinterface command no ip directed-broadcast
D) Use logging trap 6