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GAQM Exam CPEH-001 Topic 1 Question 111 Discussion

Actual exam question for GAQM's CPEH-001 exam
Question #: 111
Topic #: 1
[All CPEH-001 Questions]

Sandra is conducting a penetration test for XYZ.com. She knows that XYZ.com is using wireless networking for some of the offices in the building right down the street. Through social engineering she discovers that they are using 802.11g. Sandra knows that 802.11g uses the same 2.4GHz frequency range as 802.11b. Using NetStumbler and her 802.11b wireless NIC, Sandra drives over to the building to map the wireless networks. However, even though she repositions herself around the building several times, Sandra is not able to detect a single AP. What do you think is the reason behind this?

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Suggested Answer: A

by Maddie at Apr 30, 2025, 08:40 PM

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Ryan
1 months ago
I think Sandra might be doing something wrong, there's no reason for her to not see the signals.
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Alison
2 months ago
I disagree, I believe the issue is that 802.11g uses OFDM while 802.11b uses DSSS so her 802.11b card cannot see an 802.11g signal.
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Ethan
2 months ago
Wow, Sandra's really struggling with this one. Maybe she should have taken a 'Wireless Hacking 101' course before jumping into the real thing. That 802.11b card is about as useful as a paperweight here.
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Hoa
12 days ago
F) Sandra must be doing something wrong, as there is no reason for her to not see the signals.
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Roslyn
14 days ago
E) 802.11g uses OFDM while 802.11b uses DSSS so despite the same frequency and 802.11b card cannot see an 802.11g signal.
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Blythe
22 days ago
D) The access points probably have disabled broadcasting of the SSID so they cannot be detected.
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Felix
1 months ago
A) Netstumbler does not work against 802.11g.
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Hollis
2 months ago
I think the reason Sandra can't detect any AP is because the access points probably have disabled broadcasting of the SSID.
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Robt
2 months ago
D seems like the most likely answer. They probably have SSID broadcasting disabled to keep the network more secure. Sandra needs to try some more advanced techniques to find those hidden APs.
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Annett
1 months ago
F) Sandra must be doing something wrong, as there is no reason for her to not see the signals.
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Erinn
2 months ago
D) The access points probably have disabled broadcasting of the SSID so they cannot be detected.
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Aleta
2 months ago
A) Netstumbler does not work against 802.11g.
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Rima
3 months ago
Haha, Netstumbler not working against 802.11g? Come on, that's so 2005! Any decent wireless hacking tool should be able to handle that these days.
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Francisca
3 months ago
I think option E is the correct answer. 802.11g uses OFDM while 802.11b uses DSSS, so even though they use the same frequency, the 802.11b card can't detect the 802.11g signal.
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Vincenza
2 months ago
F) Sandra must be doing something wrong, as there is no reason for her to not see the signals.
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Alyce
2 months ago
E) 802.11g uses OFDM while 802.11b uses DSSS so despite the same frequency and 802.11b card cannot see an 802.11g signal.
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Cristen
2 months ago
A) Netstumbler does not work against 802.11g.
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