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Exam ECSAv10 topic 1 question 76 discussion

Actual exam question from ECCouncil's ECSAv10
Question #: 76
Topic #: 1
[All ECSAv10 Questions]

During scanning of a test network, Paul sends TCP probe packets with the ACK flag set to a remote device and then analyzes the header information (TTL and
WINDOW field) of the received RST packets to find whether the port is open or closed.
Analyze the scanning result below and identify the open port.

  • A. Port 22
  • B. Port 23
  • C. Port 21
  • D. Port 20
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Suggested Answer: B 🗳️
by Steven_asl at July 27, 2021, 7:21 a.m.

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ccie_cbap
3 years, 7 months ago
agreed as per output Port 20 option D
upvoted 1 times
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Steven_asl
4 years ago
And should be port 20 since the TTL is below 64 or the smaller of the whole tested ports
upvoted 1 times
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C (25%)
B (20%)
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