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Exam 312-50v12 All Questions

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Exam 312-50v12 topic 1 question 129 discussion

Actual exam question from ECCouncil's 312-50v12
Question #: 129
Topic #: 1
[All 312-50v12 Questions]

A skilled ethical hacker was assigned to perform a thorough OS discovery on a potential target. They decided to adopt an advanced fingerprinting technique and sent a TCP packet to an open TCP port with specific flags enabled. Upon receiving the reply, they noticed the flags were SYN and ECN-Echo. Which test did the ethical hacker conduct and why was this specific approach adopted?

  • A. Test 3: The test was executed to observe the response of the target system when a packet with URC, PSH, SYN, and FIN flags was sent, thereby identifying the OS
  • B. Test 2: This test was chosen because a TCP packet with no flags enabled is known as a NULL packet and this would allow the hacker to assess the OS of the target
  • C. Test 1: The test was conducted because SYN and ECN-Echo flags enabled to allow the hacker to probe the nature of the response and subsequently determine the OS fingerprint
  • D. Test 6: The hacker selected this test because a TCP packet with the ACK flag enabled sent to a closed TCP port would yield more information about the OS
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by DarioReymag at Feb. 6, 2024, 10:44 p.m.

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yicx1
5 months, 1 week ago
Test 6: send to closed port. Test 2: send empty packet to open port. Test 3: send packet with set flags SYN|FIN|URG|PSH on open port without any options So the answer is Test 1: send packet with SYN flag with TCP options on open ports
upvoted 1 times
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[Removed]
9 months, 2 weeks ago
Could someone help me confirm if this is correct
upvoted 1 times
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insaniunt
9 months, 2 weeks ago
Selected Answer: C
Test 1: A TCP packet with the SYN and ECN-Echo flags enabled is sent to an open TCP port.
upvoted 3 times
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cloudgangster
9 months, 2 weeks ago
The answer is C, These are the new questions in the pool.
upvoted 2 times
cloudgangster
9 months, 2 weeks ago
CEH V12 PG 333
upvoted 1 times
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DarioReymag
9 months, 2 weeks ago
Could someone help me confirm if this is correct
upvoted 1 times
...

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