What is ARP poisoning and which mitigation is effective against it?

• A. ARP poisoning is sending spoofed ARP responses to associate attacker MAC with an IP, enabling traffic interception; mitigations include dynamic ARP inspection, static ARP entries, and network segmentation.
• B. ARP poisoning is DNS spoofing intended to redirect domain lookups to a malicious server.
• C. ARP poisoning is a method for optimizing ARP requests to reduce network latency.
• D. ARP poisoning is a firewall feature used to block ARP traffic.

Answer: (D)