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PT0-002 · Question #267
PT0-002 Question #267: Real Exam Question with Answer & Explanation
The correct answer is D: The client did not receive a trusted response.. If the DNS cache already contained a valid entry for the requested domain, the target machine would not send out a new DNS request until that cache entry expired.
Attacks and Exploits
Question
A penetration tester attempted a DNS poisoning attack. After the attempt, no traffic was seen from the target machine. Which of the following MOST likely caused the attack to fail?
Options
- AThe injection was too slow.
- BThe DNS information was incorrect.
- CThe DNS cache was not refreshed.
- DThe client did not receive a trusted response.
Explanation
If the DNS cache already contained a valid entry for the requested domain, the target machine would not send out a new DNS request until that cache entry expired.
Topics
#DNS poisoning#DNS security#Attack failure analysis#Network attacks
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