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Mostly ________ is used in wireless LAN.

(a) time division multiplexing

(b) orthogonal frequency division multiplexing

(c) space division multiplexing

(d) channel division multiplexing

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Right answer is (b) orthogonal frequency division multiplexing

Best explanation: In orthogonal frequency division multiplexing, digital data is encoded on multiple carrier frequencies. It is also used in digital television and audio broadcasting in addition to Wireless LANs.

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