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Exam 312-49v10 All Questions

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Exam 312-49v10 topic 1 question 141 discussion

Actual exam question from ECCouncil's 312-49v10
Question #: 141
Topic #: 1
[All 312-49v10 Questions]

Michael works for Kimball Construction Company as senior security analyst. As part of yearly security audit, Michael scans his network for vulnerabilities. Using
Nmap, Michael conducts XMAS scan and most of the ports scanned do not give a response. In what state are these ports?

  • A. Closed
  • B. Open
  • C. Stealth
  • D. Filtered
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by vroche at Dec. 15, 2021, 6:48 p.m.

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Dumas
5 months, 1 week ago
A Christmas Scan is very chatty. This will return the ports that are open and other information. B is Correct
upvoted 1 times
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Elb
6 months, 2 weeks ago
Selected Answer: B
B > The UDP, IP protocol, FIN, NULL, and Xmas scans classify ports this way. open|filtered
upvoted 1 times
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Malko59
1 year, 3 months ago
Selected Answer: B
Correct answer is B: ports are open In a XMAS scan, if the ports are open no response are received. If the port are closed, an RST is received. https://upadhyayraj.medium.com/nmap-xmas-scan-idle-scan-fin-scan-null-scan-b95a5c73bef6
upvoted 2 times
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Elb
1 year, 4 months ago
B. Example Xmas scans admin# nmap -sX -T4 scanme.nmap.org Starting Nmap ( https://nmap.org ) Nmap scan report for scanme.nmap.org (64.13.134.52) Not shown: 999 open|filtered ports PORT STATE SERVICE 113/tcp closed auth
upvoted 1 times
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diomaya
1 year, 6 months ago
from nmap.org: No response received (even after retransmissions) open|filtered
upvoted 1 times
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Manzer
1 year, 8 months ago
Selected Answer: D
The ports that do not give a response to an XMAS scan are considered in the "Filtered" state. This means that the ports are being protected by a firewall or some other security mechanism that is preventing Nmap from determining whether the port is open or closed.
upvoted 2 times
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ech
2 years, 3 months ago
When scanning systems compliant with this RFC text, any packet not containing SYN, RST, or ACK bits will result in a returned RST if the port is closed and no response at all if the port is open. NMAP guide https://nmap.org/book/scan-methods-null-fin-xmas-scan.html So it is open
upvoted 2 times
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Tax88
2 years, 4 months ago
B is right. If the port is closed it respond with RST, if it's open, no response.
upvoted 1 times
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lsalvarez666
2 years, 5 months ago
open|filtered
upvoted 2 times
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sampb
2 years, 6 months ago
It should be filtered port D.
upvoted 1 times
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K3nz0420
2 years, 9 months ago
D is the answer , why would open port not respond with an Ack
upvoted 2 times
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vroche
2 years, 11 months ago
A xmas scan without response is a Filtered port (drop packet) IMHO
upvoted 1 times
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