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Mostly ________ is used in wireless LAN.

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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

The question was posed to me in an interview.

The query is from Wireless LAN in division Wireless LAN’s, Electronic Mail and File Transfer of Computer Network

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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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