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Exam CWAP-402 topic 1 question 16 discussion

Actual exam question from CWNP's CWAP-402
Question #: 16
Topic #: 1
[All CWAP-402 Questions]

The data rate for a data frame is 150 Mbps in 5 GHz.
What rate is used to transmit the PHY header information?

  • A. 1 Mbps
  • B. 150 Mbps
  • C. 75 Mbps
  • D. 6 Mbps
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Suggested Answer: A 🗳️
Reference:
http://semiengineering.com/a-primer-for-the-802-xx-physical-layer/
by Pewpew at May 14, 2019, 1:55 p.m.

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tonydiamond
4 months, 2 weeks ago
Pewpew is partially right. 802.11g cannot reach 150mbps speed. It is 802.11n on 5ghz. 6mbps is the answer though.
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Pewpew
5 years, 7 months ago
150 Mbps is an 802.11g (ERP) data rate therefore the header is sent at 6 Mbps not 1 Mbps which is for 802.11b data rates. The link posted is accurate, just wrong information used.
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