Your co-worker is studying for the CISSP exam and has come to you with a question. What is
ARP poisoning?

A.
Flooding of a switched network

B.
A denial of service that uses the DNS death ping

C.
Turning of IP to MAC resolution

D.
Inserting a bogus IP and MAC address in the ARP table
E. Modifying a DNS record

Explanation:
ARP poisoning is a masquerading attack where the attacker inserts a bogus IP and
MAC address in a victims ARP table or into the table of a switch. This has the effect of redirecting
traffic to the attacker and not to the intended computer.