CWNP Exam CWNA-108 Topic 13 Question 26 Discussion

Actual exam question for CWNP's CWNA-108 exam

Question #: 26
Topic #: 13

What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?

AOFDM implements BPSK modulation to allow for data rates up to 7 Gbps.

BOFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs as well.

COFDM modulation is used only in 5 GHz 802.11 transmissions.

DOFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.

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Suggested Answer: B

by Oretha at May 06, 2022, 07:03 PM

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