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Question 45 - CWNA-109 discussion

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What factor is likely to cause the least impact on the application layer throughput of an 802.11n client station in a 2.4 GHz HT BSS?

A.
Increasing or decreasing the number of spatial streams in use by the client station and AP
Answers
A.
Increasing or decreasing the number of spatial streams in use by the client station and AP
B.
Implementing Fast BSS Transition (FT) for roaming
Answers
B.
Implementing Fast BSS Transition (FT) for roaming
C.
Implementation of several other clients in the same BSS using 802.11g radios
Answers
C.
Implementation of several other clients in the same BSS using 802.11g radios
D.
RF interference from more than 10 nearby Bluetooth transmitters
Answers
D.
RF interference from more than 10 nearby Bluetooth transmitters
Suggested answer: B

Explanation:

Implementing Fast BSS Transition (FT) for roaming is likely to cause the least impact on the application layer throughput of an 802.11n client station in a 2.4 GHz HT BSS. FT is a feature that allows a client station to quickly switch from one AP to another within the same ESS (Extended Service Set) without having to re-authenticate and re-associate with each AP. This reduces the latency and packet loss that may occur during roaming, thus improving the user experience and maintaining the application layer throughput. FT is defined in the IEEE 802.11r amendment and is also known as Fast Roaming or Fast Secure Roaming.Reference:, Chapter 9, page 367; , Section 6.3

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asked 16/09/2024
Malik Rubio
40 questions
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