Petronilla, a cybersecurity researcher, has just received a call from a client who reports that someone has redirected multiple A record entries on their recursive server to an incorrect IP address. Which of the following has occurred?
A) DNS poisoning
B) DNS manipulation
C) Authoritative DNS modification
D) ARP manipulation

Question

Quizplus · Accepted Answer

DNS poisoning, also known as DNS cache poisoning, occurs when incorrect DNS records are inserted into the cache of a DNS resolver, causing it to return an incorrect IP address for a domain name. This matches the scenario described where A record entries are redirected to an incorrect IP address.

Petronilla, a Cybersecurity Researcher, Has Just Received a Call from a Client