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CWNP CWSP-207 Exam - Topic 3 Question 43 Discussion

What drawbacks initially prevented the widespread acceptance and use of Opportunistic Key Caching (OKC)?
B) Because OKC is not defined by any standards or certification body, client support was delayed and sporadic early on.
A) Sharing cached keys between controllers during inter-controller roaming created vulnerabilities that exposed the keys to attackers.
C) Key exchanges during fast roams required processor-intensive cryptography, which was prohibitive for legacy devices supporting only TKIP.
D) The Wi-Fi Alliance continually delayed the creation of a client certification for OKC, even though it was defined by IEEE 802.11r.

CWNP CWSP-207 Exam - Topic 3 Question 43 Discussion

Actual exam question for CWNP's CWSP-207 exam
Question #: 43
Topic #: 3
[All CWSP-207 Questions]

What drawbacks initially prevented the widespread acceptance and use of Opportunistic Key Caching (OKC)?

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Suggested Answer: B

by Nilsa at Jun 16, 2026, 03:32 PM

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Michell
21 days ago
A is crucial too. Sharing keys can lead to serious security risks.
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Arlie
26 days ago
Agreed, B makes sense. Clients were slow to adopt.
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Bonita
1 month ago
I think B is a big issue. No standards meant confusion.
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Josphine
1 month ago
Not sure if A) is as big of a deal as people say, though.
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Olene
1 month ago
D) Wow, I didn't know the Wi-Fi Alliance held things up like that!
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Vanesa
2 months ago
C) makes sense, legacy devices really struggled with that.
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Chi
2 months ago
Totally agree with B), no standards meant chaos for support.
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Cristen
2 months ago
A) is spot on, those vulnerabilities were a big deal.
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Deeanna
2 months ago
I’m not entirely sure, but I think the delays from the Wi-Fi Alliance on certification also played a role. It seemed like they were slow to get things moving.
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Raylene
2 months ago
Wasn't there something about the processing power needed for key exchanges? I feel like that could have been a dealbreaker for older devices.
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Alonzo
2 months ago
I think I recall something about vulnerabilities with sharing cached keys. It seemed like a big concern for security.
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Veta
3 months ago
I remember discussing how the lack of standardization really held back OKC's adoption. It was a major point in our study sessions.
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