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Question

Cynthia attempted a DNS poisoning attack as shown here. After her attempt, she does not see any traffic from her target system. What most likely happened to cause the attack to fail?

a.

The DNS information was incorrect.

b.

The injection was too slow.

c.

The DNS cache was not refreshed.

d.

The client did not receive a trusted response.

Answer: (b).The injection was too slow. Explanation:Cynthia’s response needs to arrive before the legitimate DNS server. If her timing isn’t right, the legitimate response will be accepted.

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Q. Cynthia attempted a DNS poisoning attack as shown here. After her attempt, she does not see any traffic from her target system. What most likely happened to cause the attack to...

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