IEEE 802.11a achieves its increase in speed and flexibility over 802.11b by each of the following except .
a. a new multiplexing technique
b. more transmission channels
c. using lower bandwidth
d. higher frequency

Answer is A. a new multiplexing technique.

Refer below.

Explanation:

IEEE 802.11a achieves its increase in speed and flexibility over 802.11b by each of the following except

a new multiplexing technique.

answer

option a)the former is primarily for third party access to data

.is the correct answer.

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