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I believe the answer is D. Hidden nodes do not hear each other's signals. So when one of them is transmitting frames, the other(s) won't know that they need to wait for it to finish before transmitting on the medium. If/when any other node transmits frames on the wireless medium, it thus leads to a collision, making it needful for retransmission to take place. Thus a hidden node problem in a network will result in a higher frequency of retransmissions among those nodes.
Even if frames are transmitted from the AP without acknowledgements, that is not a sign of the suspected hidden node problem. Ordinarily, in a hidden node problem, all client STAs are able to hear and communicate with the AP, but the problem here is that they (client STAs) are unable to both hear and communicate with each other.
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EAG
2 years, 11 months agoVladeDivac
3 years, 4 months agoAnilr
4 years agoEAG
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