How do you defend against ARP Spoofing? Select three.

How do you defend against ARP Spoofing? Select three.
A . Use ARPWALL system and block ARP spoofing attacks
B . Tune IDS Sensors to look for large amount of ARP traffic on local subnets
C . Use private VLANS
D . Place static ARP entries on servers, workstation and routers

Answer: A,C,D

Explanation:

ARPwall is used in protecting against ARP spoofing. Incorrect answer:

IDS option may works fine in case of monitoring the traffic from outside the network but not from internal hosts.