CWNP Exam CWAP-403 Topic 12 Question 71 Discussion

Actual exam question for CWNP's CWAP-403 exam

Question #: 71
Topic #: 12

A client is operating in an unstable RF environment. Out of five data frames transmitted to the client it only receives four. The client sends a Block Ack to acknowledge the receipt of these four frames but due to frame corruption the Block Ack is not received by the AP. Which frames will be transmitted?

AOnly the data frame which was corrupted

BBoth the corrupted data and Block Ack

CAll data frames

DOnly the Block Ack

Show Suggested Answer

Suggested Answer: D

by Annmarie at Sep 13, 2024, 09:05 PM

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Yuki

8 months ago

Haha, imagine the AP just sending the Block Ack on repeat. 'I know you didn't get it, so here it is again... and again!'

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Chantell

8 months ago

I agree, C is the way to go. The AP has no way of knowing which frame was corrupted, so it has to resend all of them.

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Vincenza

8 months ago

Option C seems like the correct answer here. If the Block Ack was corrupted, the AP would retransmit all the data frames since it didn't receive confirmation of their delivery.

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Oneida

8 months ago

Haha, imagine if the answer was D - 'Only the Block Ack'! That would just make the whole situation even more chaotic.

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Mattie

7 months ago

User 4: Yeah, transmitting only the Block Ack would not solve the issue.

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Emiko

7 months ago

User 3: Agreed, the client needs all the data frames to function properly.

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Arminda

7 months ago

User 2: Definitely! It's important for all data frames to be retransmitted.

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Gertude

8 months ago

It would be a mess if only the Block Ack was transmitted.

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Adell

8 months ago

I agree with Sue. C is the correct answer. The AP won't know which frame was corrupted, so it's safest to retransmit all the data frames.

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Willetta

8 months ago

Yes, the AP won't know which frame was corrupted, so it's best to resend all of them.

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Celeste

8 months ago

I agree, it's better to retransmit all the data frames to be safe.

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Tawna

8 months ago

I think the correct answer is C) All data frames.

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Sue

8 months ago

Hmm, I think the answer is C. If the client only received 4 out of 5 frames and the Block Ack was corrupted, the AP should retransmit all the data frames.

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