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A security engineer discovers that some workstations are trying to establish communication with an unknown domain. The engineer compiles the following information: Which of the following best describes this attack?
Correct Answer: A
The same domain resolves to multiple different IP addresses with very short TTL values. This pattern indicates rapid rotation of IP addresses associated with the domain. Fast flux is commonly used by botnets and command-and-control infrastructures to frequently change DNS records so the malicious service remains reachable while making it difficult for defenders to block or track the infrastructure.