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Isaca Cybersecurity-Audit-Certificate Exam - Topic 4 Question 51 Discussion

Which of the following is a weakness associated with the use of symmetric, private keys in wired equivalent privacy (WEP) encryption?
C) Keys remain unchanged on networks for extended times.
A) Keys change periodically on networks.
B) Keys are stored in the cloud.
D) Keys are not retrievable.

Isaca Cybersecurity-Audit-Certificate Exam - Topic 4 Question 51 Discussion

Actual exam question for Isaca's Cybersecurity-Audit-Certificate exam
Question #: 51
Topic #: 4
[All Cybersecurity-Audit-Certificate Questions]

Which of the following is a weakness associated with the use of symmetric, private keys in wired equivalent privacy (WEP) encryption?

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Suggested Answer: C

The use of symmetric, private keys in WEP encryption is associated with several weaknesses, one of which is that the keys often remain unchanged on networks for extended periods. This can lead to security vulnerabilities because if an attacker manages to compromise a key, they can potentially gain access to the network and decrypt data for as long as the key remains unchanged.


by Doug at Mar 05, 2026, 08:51 PM

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Winifred
13 hours ago
Agreed, C makes sense. It’s a big risk.
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Odette
6 days ago
I think C is the right answer. Keys don't change often.
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Ammie
11 days ago
C is a big problem, but I wonder if it’s the biggest one?
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Maia
16 days ago
B isn't true, keys aren't stored in the cloud for WEP.
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Carmelina
2 months ago
Wow, I didn't realize WEP had such a flaw with key management.
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Nan
2 months ago
I disagree, A is more of an issue. Keys should change often!
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Geoffrey
2 months ago
C is definitely a weakness. Keys stay the same for too long.
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Ernie
3 months ago
I’m surprised this is still a topic, WEP is so outdated!
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Ernestine
3 months ago
B is misleading, keys aren’t typically stored in the cloud for WEP.
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Jerilyn
3 months ago
Wow, I didn’t realize WEP had such a flaw with key management.
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Gladys
3 months ago
I disagree, A is more of a concern. Keys should change regularly!
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Tegan
3 months ago
C is definitely a weakness. Keys don’t change often enough.
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Margo
3 months ago
I thought keys being stored in the cloud was a bigger issue, but now I'm leaning towards C as the weakness in WEP.
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Herminia
4 months ago
I practiced a similar question, and I recall that WEP has issues with key management. So, C sounds familiar.
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Tesha
4 months ago
I'm not entirely sure, but I remember something about keys being static in WEP. Maybe that's why C is the right answer?
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Denise
4 months ago
I think option C makes sense because WEP keys don't change often, which could be a security risk.
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